WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

Through a vast ocean, Jupiter's moon Europa is an exciting target for research in the search for life. Two space probes are ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the one orbiting Earth could potentially form. Using data from NASA’s James ...

If you're up late on Monday night (Oct. 13), or awake in the predawn hours of Tuesday (Oct. 14), look east for a striking sight. The moon, just hours past its last quarter phase, will rise above the ...