NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in 160,000 years, as it lit up the night skies across the globe.

Rare blue lurker star found in the M67 open star cluster Unusual rotation speed linked to stellar mergers in a triple system ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...

NASA's upcoming Pandora mission, poised for launch later this year, promises to revolutionize our understanding of exoplanet ...

Though space is chock-full of interstellar medium, it tends to be invisible unless lit up by a celestial spotlight. Sometimes ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

NASA astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first ...

Needham native Suni Williams is stepping out of the International Space Station Thursday and stepping into space, embarking on her first spacewalk in 12 years.<a class="excerpt-read-more" href=" More ...

A rare ‘parade’ of planets seen only once every few years will light up the night sky this week in a must-see celestial ...

NASA astronauts Nick Hague and Sunita Williams will step outside the International Space Station (ISS) on Thursday, January ...

The primary objective of this spacewalk is to replace critical hardware and repair the Neutron star Interior Composition Explorer (NICER) X-ray telescope.