NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

Scientists had stumbled on the dusty debris from two cosmic crashes. Massive space rocks slammed together to create clouds of ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

Interstellar comet 3I/ATLAS's first reported sighting was on July 1, and it's going to be the closest it's ever been to Earth ...

As the interstellar object 3I/ATLAS prepares for its close flyby of Earth, debate over its origins and behavior has ...

For more than a decade, a steady radio whisper has linked Earth to a workhorse spacecraft circling Mars. Now that voice has ...

NASA failed to reestablish contact with its MAVEN spacecraft orbiting Mars and hasn't received any signs of life since December 4.

NASA revealed that new data showed MAVEN was rotating in an unexpected way after it emerged from the far side of Mars ...

Billionaire entrepreneur and private astronaut Jared Isaacman is NASA's newest administrator after the Senate confirmed his ...

Comet 3I/ATLAS, a 33-billion-ton object that's older than our solar system, will make its closest approach to Earth on Friday. Scientists are ...

NASA's MAVEN spacecraft has been silent since December 4th after successfully capturing an image of interstellar comet ...

Bruce Jakosky is an Emeritus Professor at the University of Colorado Boulder and University of Washington, has almost 50 ...