It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

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

A Brown University researcher helps to lead the science team for NASA’s HiRISE camera, which caught images of the comet as it streaked past Mars.

Several NASA spacecraft near the red planet captured images as it travelled through space around 18 million miles way ...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

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 ...

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

The 3I/ATLAS comet is only the third object ever identified as entering our solar system from elsewhere in the galaxy. While ...

New amateur videos of interstellar comet 3I/ATLAS have ignited fresh debate after backyard observers claimed the rare visitor ...