Though Trump Jr. has only been married once, he’s been engaged 3 times. A look at his proposals to Vanessa, Kimberly ...

When the solar system formed, a disk of gas and dust orbited the young sun. Over the course of millions of years, the dust ...

Summer brings warm nights, time with friends and tons of astronomical events. We have all the cosmic coolness for you to see ...

The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...

Astronomers using NASA’s James Webb Space Telescope have uncovered a rare world unlike anything in our solar system — a giant planet about the size of Saturn with surprisingly Earth-like temperatures ...

Venus and Jupiter remain visible in the evening sky soon after sunset early in July, although Jupiter fairly quickly drops ...

Leo: here are your general predictions for the day May 22 ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, ...

Discovery by Johns Hopkins researchers of daily cloud cycle on a Hot Jupiter planet provides unique window into its make-up ...

Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California ...