NASA’s Lucy will venture as close as 596 miles to this asteroid, an estimated 2½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

NASA astronaut Matthew Dominick, currently aboard the International Space Station, captured footage of a meteor burning up in ...

One of the first major meteor showers of the year will coincide with Earth Day this year, offering a heavenly experience for ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

A fireball soared over Mexico City in the early hours of April 16. It wasn't a meteorite, though — it was a bolide, a much ...

T he Sun goes through an 11-year cycle of activity, going from the solar maximum, where it is covered in many sunspots and is ...

Spring's first meteor shower is reaching its peak. The Lyrids have surprised skygazers in the past with as many as 100 ...