In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

Astronomers studying the interstellar object known as 3I/ATLAS say new observations from the Gemini North Telescope in Hawaii ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

Scientists say the colour shift in interstellar comet 3I/ATLAS is due to gases in the comet's coma reacting to solar heat.