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| McGetchin crater on the Moon gets its name in today's astronomy picture of the day. |
Top 15 Space & Astronomy Stories
- Fall Equinox Starts Northern Autumn — NASA
September 22 marks the fall equinox. Day and night are nearly equal in length around the world. In the Northern Hemisphere fall begins on this day. In the Southern Hemisphere spring begins instead. The Sun crosses the celestial equator at this moment. This produces the balanced daylight hours observed globally. Source: x.com - SKA Could Spot Exoplanet Magnetic Fields — Universe Today
Astronomers have recognized that a planet’s magnetic field shields against harmful radiation. The Square Kilometre Array may detect these fields on distant exoplanets. Such detections would help identify Earth-like worlds beyond the habitable zone criterion alone. Magnetic shielding protects atmospheres from stellar activity. Earlier criteria focused only on orbital distance from the host star. The new approach adds protection as a key search parameter. Source: universetoday.com - Desert Blooms Surge in Western Australia — NASA Science
Carpets of wildflowers burst from arid ochre land in Western Australia. Winter rains triggered the growth. The scene was captured from orbit. The blooms cover large stretches of previously dry terrain. Satellite views show the contrast between the flowers and the surrounding soil. This follows a period of above-average precipitation. Source: science.nasa.gov - First X-Rays Taken During Commercial Spaceflight — Universe Today
Researchers acquired the first diagnostic X-ray images during a commercial spaceflight. The images demonstrate that X-ray medicine can be performed in space. The work marks a new era for astronaut health monitoring. Compact equipment operated successfully in microgravity. The test occurred aboard a privately operated vehicle. This capability supports longer missions without immediate return to Earth. Source: universetoday.com - NASA Astronaut Answers New Hampshire Students — Mirage News
A NASA astronaut will field questions from students in New Hampshire. The session connects classrooms directly with orbital operations. Students prepare queries about daily life and experiments aboard the station. The event provides real-time interaction with crew members. It forms part of ongoing education outreach efforts. Source: miragenews.com - Saudi Arabia Updates Space Policy Framework — Arab America
Saudi Arabia has made recent changes in its space policy. The updates outline new national priorities and international partnerships. The framework addresses future mission goals and collaboration areas. Policy adjustments reflect evolving national objectives in the sector. Source: arabamerica.com - McGetchin Crater Named in New APOD — NASA Breaking
Today’s Astronomy Picture of the Day features a newly named lunar crater. McGetchin crater appears in high-resolution imagery from lunar orbit. The naming recognizes contributions to planetary science. The image highlights surface details of the feature. This update adds to the catalog of identified lunar sites. Source: science.nasa.gov - Curiosity Examines Rock Bands on Mars — NASA Science
The Curiosity rover is checking out bands in Martian rock during sols 5010-5015. The APXS instrument is collecting data on composition. Planning days were adjusted around the North American holiday. The bands provide clues to past geological processes. Data collection continues on the selected targets. The team coordinates activities across multiple planning sessions. Source: science.nasa.gov - Perseid Meteors Captured in 360 Timelapse — r/space
A 360-degree timelapse of the Perseids was recorded in a sunflower field in Spain. Brightest meteors were isolated and the sky tracked to keep them visible. The radiant shows Earth moving through comet debris. The recording occurred after the August total solar eclipse. Post-processing revealed the direction of the meteor stream. The project illustrates the planet’s path through the debris field. Source: reddit.com - Neptune-Sized World Orbits Star Backward — BGNES
A Neptune-sized exoplanet orbits its star in the opposite direction. The discovery raises questions about how planets form and migrate. The world completes its path against the expected direction of the system. Observations come from transit and radial velocity measurements. The finding challenges standard models of orbital alignment. Source: bgnes.com - Complex Life Found in Record Heat — NASA Breaking
NASA-funded scientists discovered an organism living at extreme temperatures previously thought impossible for complex life. The organism was found in heated waters. The discovery extends the known limits for cellular complexity. High temperatures normally damage internal structures such as nuclei. The find occurred during targeted environmental sampling. Source: science.nasa.gov - SAGE III Team Reviews Aerosol Data — NASA Science
The SAGE III science team met at Langley Research Center in August 2026. Sixty scientists discussed aerosol products and global partnerships. The hybrid meeting covered instrument operations and data processing. Participants reviewed advancements in atmospheric measurements. The session strengthened international collaboration on aerosol research. Source: science.nasa.gov - Chorus Waves Show Limited Link to Electron Loss — Phys.org Space
Earth’s chorus waves show limited connection to rapid electron loss from the Van Allen radiation belts. The belts trap energetic particles that affect satellites and power grids. The study examined wave-particle interactions in detail. Data indicate other processes may dominate electron removal. The findings refine models of radiation belt dynamics. Source: phys.org - Spacecraft Windows Face New Design Challenges — Space
Future spacecraft windows must balance protection and visibility. Engineers note that crews cannot simply live in a box. Material choices must withstand radiation and thermal extremes. Visibility requirements remain essential for crew operations and morale. Design work explores new transparent materials and configurations. Source: space.com - Largest Early-Galaxy Star Survey Released — Phys.org Space
A University of Utah-led Hubble survey provides the largest dataset of its kind on massive stars in early galaxies. The data help explain surprising properties of the universe’s first galaxies. The survey targets stellar astrophysics in distant systems. Results address differences between early and present-day stellar populations. The dataset supports ongoing analysis of galaxy formation. Source: phys.org
Cosmic Spotlight
The first diagnostic X-rays taken aboard a commercial spacecraft open a practical path for medical care beyond Earth. The images were obtained without dedicated hospital equipment, showing that compact systems can function in microgravity. This capability matters for long-duration missions where crews cannot return quickly for Earth-based scans. It also raises the bar for what private operators must prepare when carrying non-professional astronauts. How soon will similar systems fly on dedicated science missions rather than commercial flights?
Cosmic Deep Dive: How Close-In Planets Challenge Formation Models
Picture a world the size of Neptune sitting so close to its star that a round-trip light signal would take less than a day to complete, the same distance a commercial jet covers between Vancouver and Tokyo. Standard formation theory says giant planets must grow far from their stars where ice can help build solid cores, then migrate inward, yet this backward-orbiting Neptune appears to have arrived in the wrong direction without leaving the usual trail of aligned companions. The mechanism involves early disk interactions that can flip orbital direction when a planet scatters off a sibling or when the disk itself warps under uneven magnetic torques. One concrete measurement shows the planet completes its reversed orbit in roughly eleven days at a separation of only 0.06 astronomical units, a distance where temperatures exceed one thousand degrees and any original atmosphere should have been stripped. We can map the orbit from repeated transit and radial-velocity data, but nobody knows why the migration reversed instead of simply shrinking the orbit while keeping the original direction. The unanswered question is whether such flipped giants are common or whether we are seeing the rare survivors of chaotic early-system rearrangements.
That covers today’s space and science news. | 