No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, ...

When an unidentified interstellar object several miles wide comes hurtling through our solar system at 37 miles a second, the ...

The discovery of fast-moving object 3I/Atlas has sparked debate, with Harvard's Avi Loeb suggesting it might be an alien ...

The interstellar object 3I/ATLAS has sparked debate among astronomers since its discovery, and some are exploring whether it ...

Recent claims from Harvard say a comet traveling through our solar system could be a UFO—MSU researchers say they aren't true ...

This week, astronomers have documented the occurrence of an unprecedented stellar death unlike anything seen before.

The ghostly light, which was triggered by a rocket reentry, sailed across the night sky as skywatchers across the U.S. looked ...

NASA's Hubble Space Telescope has captured an image of interstellar comet 3I/ATLAS moving through the solar system at 130,000 ...

SpaceX and Elon Musk just notched a significant win with President Donald Trump's latest executive order regarding commercial ...

Mars will be visible “in the west for about an hour after the sky starts to darken” — the only planet that is not part of ...

The newly confirmed supermassive black hole at the heart of CAPERS-LRD-z9 is known as an active galactic nucleus (AGN), the ...