Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters ... years—over 13,000 times the length of the ...

"Have you ever flipped through old photo albums and suddenly found something fascinating hidden in the background of a ...

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and ...

"Even today, our understanding of star formation is still developing; comprehending how stars formed in the earlier universe is even more challenging." ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, leaving something behind. A dense plasma, made of fundamental particles ...