A second "new star" has unexpectedly appeared in the night sky, less than two weeks after a near-identical point of light first burst into view without warning. These never-before-seen "stars" are ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronomers have detected a ...

The interstellar comet 3I/ATLAS has potentially exploded near the sun, breaking into 16 pieces after its closest solar approach, known as perihelion. This intriguing event, observed between November ...

Mysterious interstellar object 3I/ATLAS recently made its closest pass of the Sun, or perihelion, brightening up in observations as solar radiation caused it to shed gases at an immense rate. The ...