NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

If you've been eagerly waiting to see more high-resolution images of a fascinating interstellar comet known as 3I/ATLAS, your ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

The nucleus, estimated from Hubble Space Telescope images to be at most a few kilometers across, cannot be resolved in our HiRISE image. Additionally, due to spacecraft jitter during the observation ...

Interstellar comet 3I/ATLAS sweeps past Mars as NASA’s orbiters and Perseverance reveal fresh clues about its chemistry and ...

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles per hour (246,000 kilometers per hour), astronomers didn’t want to miss what ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.