On Wednesday, the agency showed off its mock-ups of the LISA spacecraft, called the Engineering Development Unit Telescope.

A new NASA-led study suggests that photosynthetic microbes could thrive in hidden bubbles of meltwater below patches of ice ...

Lakes appearing in the Sahara desert captured in satellite images after a cyclone dumped a years' worth of rain on northern ...

Pluto has five moons—“fun-looking space potatoes,” Singer calls them—and its largest is a behemoth. Charon was discovered in ...

A large communications satellite has broken up in orbit, affecting users in Europe, Central Africa, the Middle East, Asia and ...

A section of the northern U.S. will have an opportunity to see aurora borealis Tuesday night, as activity on the sun’s ...

NASA's Hubble Space Telescope and New Horizons missions have observed Uranus, providing different views from across the solar ...

The next few years are likely to be pivotal ones for NASA, according to a hard-hitting report by the U.S. National Academies ...

An Intelsat satellite is thought to have been destroyed in its orbit around the Earth, affecting satellite service worldwide.

Oct. 22 (UPI) --NASA is helping the European Space Agency develop space telescopes that can detect gravitational waves caused ...

NASA has revealed the first look at a full-scale prototype for six telescopes that will enable, in the next decade, the space ...

NASA officials say the agency is on track to decide by the end of the year how to revise the Mars Sample Return (MSR) architecture to lower its costs and shorten its schedule.