Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two ...

“We wanted to test the brightness of lava.” Laser beams streak from the European Southern Observatory’s Very Large Telescope array in Chile’s Atacama Desert. The lasers create artificial ...

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...

Supermassive black holes, 1,000 times larger than previously thought, have been discovered in LRD-type galaxies. This ...