Researchers simulated Martian permafrost and ice cap conditions in a laboratory, exposing *Escherichia coli* samples in pure water ice and water-sediment mixtures to cosmic radiation equivalent to 50 ...

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 ...

Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT — we’ll observe the pair in the evening sky, along with a Titan transit of Saturn. But first, the Orionid meteor shower peaks as the ...

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 ...

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 ...

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 ...

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 ...

Comet C/2025 A6 (Lemmon) is currently visible in both morning and evening skies, initially located near the Big Dipper within Canes Venatici before transitioning into Boötes. Its perigee, the closest ...

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 ...

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 ...