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

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 ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

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

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

NASA's Hubble Space Telescope has once again observed the interstellar comet 3I/ATLAS, revealing intriguing details about this visitor from outside our solar system.

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

Fresh images from NASA's Hubble reveal the unusual features of interstellar comet 3I/ATLAS, offering insights into alien ...