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

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

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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

I/ATLAS attracted attention when it was confirmed to be only the third body originating from another star system.

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

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

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

New gravitational lensing measurements by the TDCOSMO Collaboration support the Hubble Tension, confirming differences between Early and Late Universe Hubble Constant values using updated ...

Scientists working with the long-lived Hubble Space Telescope say that the intrepid eye on the sky could continue functioning through 2020, and even beyond. Hubble is currently in good shape. The ...