Despite the fact that Mars has an atmosphere just 1% as dense as Earth’s, the surface of the Red Planet still has to deal with plenty of weathering and erosion. In 2008, researchers even captured a ...

On November 13, Titan will undergo an occultation egress from behind Saturn's disk. This phenomenon will begin at 7:26 p.m. EST, occurring in darkness for observers in the eastern U.S. and during ...

The Big Dipper, an asterism within the Ursa Major constellation, is readily observable from mid-to-high northern latitudes and its appearance varies throughout the year due to Earth's orbit and ...

The assertion that more is known about the Moon (or Mars) than the deep ocean lacks scientific basis; a significant portion (23.4%) of the seafloor has been mapped at high resolution, exceeding the ...

While most Western space enthusiasts remember the American Skylab space station, only some recall the long series of Soviet orbiting labs called the Salyut space stations. The last of these, Salyut 7, ...

On November 9, at 3 A.M. EST, the Moon will pass 4° due north of Jupiter, with both celestial bodies observable in Gemini during early morning hours. Jupiter, shining at magnitude –2.4, will be easily ...

NASA has identified nine candidate landing sites near the lunar south pole for the Artemis 3 crewed mission, representing a refinement of a previously established list of potential locations. These ...

The Kepler Space Telescope, launched in 2009, successfully employed the transit method to search for exoplanets, ultimately observing over 500,000 stars and contributing to the discovery of almost ...

August 2025 offers several planetary conjunctions, including a close approach of Venus and Jupiter on August 12th, and a second conjunction of Saturn and Neptune on August 6th, with a third occurring ...

Apollo mission lunar samples provided crucial data, initially intended to test existing Moon formation theories (capture, co-formation, fission), but ultimately leading to the development of the Giant ...

(Editor’s note: The author of this article is one of the authors of a new paper on Planet Nine, which you can read here. It has been accepted for publication in The Astrophysical Journal Letters.) In ...

The origin of Earth's water is a long-standing scientific question, with differing isotopic ratios of deuterium to hydrogen (D/H) in Earth's oceans compared to the early solar system suggesting ...