Water has been showing up in all sorts of unexpected places in our Solar System, such as the Moon, Mercury and Saturn's moon Ganymede. Add one more place to the list: Asteroid 16 Psyche. This metal-rich asteroid may have traces of water molecules on its surface that shouldn't be there, researchers say.

Did you hear that the Universe has 10x the number of galaxies? How did astronomers discover this, and what does it mean for the number of stars?

Rain is part of Earth's all-important hydrological cycle, where water evaporates from the Earth's surface, condenses, and falls from the sky.

An small object noticed in some of the Curiosity rover's images has been identified as a small meteorite, likely composed of iron-nickel

The Cassini probe has found more features on Titan that resemble Earth, steep river valleys that empty into its largest methane lake

At dusk on November 2, skywatchers will see a beautiful crescent Moon pair up with the planets Venus and Saturn.

SpaceX is making significant progress in replicating the failure in the helium pressurization system that led to the catastrophic launch pad explosion of the firms Falcon 9 rocket during a routine fueling test at their Florida Space Coast launch complex on September 1.

A recent study by an international team of scientists looked at Project Starshot and assessed the likelihood of its success, based on several design features

New photos from NASA's Mars orbiter reveal the Schiaparelli lander crash in finer detail.

Recent images from the Cassini space probe show that Saturn's hexagonal polar storm is changing, which may be due to seasonal variation

A new study from the University of Bern indicates that most planets that orbit red dwarf stars might be water worlds, which could have a serious effect on the hunt for extra-terrestrial life

If you're going to send a spacecraft to Mars, you've got to know that place has an insatiable hunger for our plucky robot companions. Why is this place cursed?