The Donald Trump administration is seeking cost savings, and one potential source is a proposed 25 percent reduction in ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

These types of exoplanets are some of the most common in our galaxy - but they've remained mysterious until now.

Any day now, a massive stellar blast dubbed "the Blaze Star" could light up the night sky so brightly, you won't even need a ...