After more than a week of delays, two new NASA missions have gotten the greenlight to head to space tonight (March 8).

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s ...

Whenever I hear the announcement of a major literary award, I admit my interest is piqued, regardless of genre. It must be ...

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids ...