"It's the only launch vehicle that can meet the orbit, the schedule and the cost to achieve something unprecedented with ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

Because this comet is so rare, NASA is utilizing multiple spacecraft and telescopes to observe it. Since its discovery on ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

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

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

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

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

Despite having discovered more exoplanets than any other telescope, Kepler has been retired for the very simple reason that ...

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 ...

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

WASHINGTON >> NASA released fresh images today of the interstellar object called 3I/ATLAS that astronomers have determined is ...