Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

If you want to learn more about Hanukkah, then here are some facts you probably didn’t know about the Jewish holiday: ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

Are the greatest lost treasures of Rome and the ancient world still waiting to be found? This investigation separates myth from reality. We explore the legendary burial of the Visigoth king Alaric and ...