Astronomers confirm a 4 percent chance that asteroid 2024 YR4, which is a 60 metre space rock, that could strike the Moon on ...

To start solving a cryptic crossword, my advice is to scan the clues for words like mix, about and cook that come just before or after a word or phrase with the same number of letters as the answer.

Earth's moon is both the brightest and the largest object in the night sky, in terms of apparent size, making it a ...

Astronomers evaluate how the Vera C. Rubin Observatory can detect and localize the next Milky Way core-collapse supernova using neutrino alerts and optical surveys.

Scientists watched a solar flare grow from tiny magnetic sparks into a violent plasma-raining avalanche on the Sun.

Research using Apollo samples indicates late meteorite impacts were unlikely to be the main source of Earth’s water.

NASA research using Apollo lunar regolith data refines the Moon’s impact record and places limits on meteorite contributions to Earth’s water over geologic time.

When a NASA scientist finally cracked open a cache of 50-year-old lunar soil, the expectation was to refine old models, not ...

A NASA study shows that meteorites delivered only a small amount of water to Earth over the past four billion years.

Falling satellites and large orbital debris create massive sonic booms and scientists are using them to track dangerous space junk.

After a year featuring a brilliant green comet, a rare eclipse at sunrise, perfect views of the planets, a traveler from deep ...

The CME was launched during a powerful X-class solar flare on Jan. 18 and raced toward Earth at speeds of 620–870 miles per ...