The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

Debris from Comet Encke creates two annual meteor showers, but it might also pose a small risk to Earth. Scientists are ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

The quandaries posed by the nuclear film pantheon are the same ones experts in the nuclear threat reduction community face ...

“In particular, some observed asteroids surpass this mass density threshold. Especially noteworthy is the asteroid 33 ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

After an asteroid struck Finland long ago, microscopic life colonized the impact site within a few million years, new ...

The risk of a cosmic body striking the Earth—or exploding in the atmosphere—may be higher in 2032 and 2036, researchers have ...

This year’s “Halloween fireballs” are stunning to watch, but scientists say they may carry a warning from space.

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

From the balcony of his family’s downtown London, Ontario apartment, five-year-old Siddharth Patel would spend nights gazing ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.