A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

G3 (ATLAS) blazed past the Sun, captured in stunning detail by the SOHO spacecraft. Scientists used its passage to study how ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that shed light on how life arose.

Pluto-Charon Formation Scenario Mimics Earth-Moon System Jan. 7 ... asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

The Farmers' Almanac predicts a “Thunder and Zing Spring” for 2025 across much of the United States, though Texas is forecast ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ...