The emerging subdiscipline of "astroimmunology" has been formalized, focusing on understanding how spaceflight stressors significantly compromise the human immune system. A new guide, published in ...

On October 22, the Moon will achieve two close conjunctions, passing 5° south of Mars and 2° south of Mercury, before reaching its orbital apogee at 406,445 km (252,553 miles) from Earth. Observers ...

Systematic observation logging, a historical cornerstone of astronomical discovery from figures like Galileo and Herschel, continues to be a relevant practice for contemporary observers. Maintaining ...

A recent study proposes that future Mars missions should prioritize searching for microbial life or its preserved remains within the planet's ice, rather than in its rocks, clay, or soil. Researchers ...

New research has identified 41 small-scale landslides on the lunar surface that formed since 2009, indicating the Moon is more geologically active than previously understood. Analysis of ...

On October 18, the predawn sky features a close celestial alignment of the Moon and Venus within the constellation Virgo. Venus appears as a magnitude -3.9 object, exhibiting a 94% illuminated gibbous ...

On October 17th, early morning observations of Jupiter will feature transits of Io's and Europa's shadows across its cloud tops, with specific timings varying by time zone. A telescopic view of ...

The SPAINSAT New Generation II satellite is scheduled for launch via a SpaceX Falcon 9 from Cape Canaveral on October 22, representing the second component of the SpainSAT NG program. Operated by ...

Dave Eicher, Editor Emeritus of *Astronomy* magazine, encourages early morning observation of meteors between midnight and 4 a.m. These meteors, identified as Orionids, visually originate from the ...

On October 14, 1947, Captain Chuck Yeager piloted the Bell X-1 aircraft, "Glamorous Glennis," achieving a speed of Mach 1.06. This flight disproved prevailing expert warnings that exceeding Mach 1 ...

On October 13, 2025, the Last Quarter Moon will be observed in conjunction with Jupiter starting around midnight, with Jupiter's Galilean moons visible through telescopic observation. Pluto reaches ...

An exclusive tour, "2027 Pharaoh’s Shadow" by Eclipse Traveler, has been introduced to facilitate observation of the 2027 total solar eclipse following the oversubscription of a prior offering. The ...