A strange object hurdling through our solar system from interstellar space may, according to one of academia's most ...

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.

A newly spotted interstellar comet is passing through our solar system at a blistering speed of 130,000 miles per hour, ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

One of these hot plasma channels tunnels through the heated plasma like a ‘back road’ into the galaxy, seemingly stretching ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

NASA has shared new details about 3I/ATLAS. It is an interstellar object moving at 209,000 km/h. Hubble images show it is ...

An aging spacecraft more than a decade into its mission may soon undertake one of the most ambitious maneuvers in modern ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...