An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...

NASA’s Hubble Telescope photographed the comet on November 30. At that time, the comet was still very far — about 178 million ...

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

The Calabash Nebula, pictured here — which has the technical name OH 231.8+04.2 — is a spectacular example of the death of a ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

The Hubble Space Telescope has once again dazzled scientists and stargazers alike with a striking image of a galaxy once ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

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 ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Astronomers around the world are accelerating their study of Comet 3I/ATLAS, the third confirmed interstellar object to enter ...