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 ...

High up in the Chilean Andes, the Extremely Large Telescope (ELT) is set to become the world's largest optical telescope and ...

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

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

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

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

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

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...