A dedicated scan for signs of radio-transmitting technology in interstellar comet 3I/ATLAS has come back with absolute cometary radio silence.

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

The vast, silent void between the stars occasionally coughs up a visitor that sets the scientific world—and the ...

Vince Gilligan's Apple TV sci-fi series Pluribus gave audiences plenty of shocking moments, and we rank the biggest ones of ...

Radar operators at Washington National Airport and nearby military bases began tracking unidentified objects moving through restricted airspace near the White House and the Pentagon. The returns were ...

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

From Charli xcx’s mockumentary The Moment to Christopher Nolan’s epic The Odyssey, there’s something for everyone at the ...

Canada has issued a travel warning for the United States amid severe flooding and landslides in California. The government ...

A RealClearInvestigations analysis has found that the federal and state governments bear some responsibility for this harm to American citizens because of their failure to address long-acknowledged ...