SpaceX's plan to launch one million orbiting data centers to space worries astronomers, who say the satellite streaks caused by the proposed constellation would severely impair observations.

Cosmic rays are one of the greatest challenges for space travel and pose a considerable risk to humans and materials. For the ...

A spacecraft built to study one of Earth’s most hostile regions ended its mission with a return through the atmosphere years ...

Serious health issues could potentially become show stoppers for longer missions to the moon and Mars, so scientists are working hard to understand more about the health issues long distance ...

Add Yahoo as a preferred source to see more of our stories on Google. The double star Albireo in Cygnus captured on 26 December 2019. The 2.5-minute exposures recorded Starlink satellites moving ...

A surge in satellite constellations, the astronomers warn, would also further obscure observations of deep space. “For scientists, observing the deaths of stars and searching for new planets would ...

The Franklin Institute will celebrate International Astronomy Day with a lineup of space-themed activities on Saturday, April ...

NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations.

"It’s kind of a jigsaw puzzle where all the different pieces are moving." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

Russia’s war has left many of Ukraine’s world-class observatories in ruins—but the besieged nation’s astronomers already have ...

“Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent years, companies such as Elon Musk’s SpaceX have launched thousands of new ...