Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

Astronomers have weighed a lonely planet drifting through the Milky Way, using a rare cosmic alignment. How this exiled world ...

A Saturn-mass planet, which had been drifting alone through space after escaping the gravitational pull of its star, has been ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Benjamin Pope receives funding from the Australian Research Council and the Big Questions Institute. After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting ...

MAUI SPACE SURVEILLANCE COMPLEX, Hawaii—China is “intentionally trying to do things” in space “so we don’t see it,” from changing the brightness of their satellites to maneuvering in what it believes ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

A comet known as 3I/ATLAS made news when it was confirmed to be the 3rd-ever object observed to have originated outside Earth's solar system. Though the object poses no threat to Earth, astronomers ...

Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating today, and how far can it see? When you purchase through links on our site, we ...

The James Webb Space Telescope has discovered its first exoplanet, astronomers said Wednesday, capturing rare direct images of the relatively small world in Earth's galactic backyard. The telescope, ...