While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

As the third known interstellar object in history, 3I/ATLAS has astronomers and the internet on edge. Is it just a comet from ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

The interstellar comet 3I/ATLAS reached its perihelion, the closest point to the sun, and is expected to be most active on ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...