An ultramassive black hole so huge it could swallow 30 billion suns has emerged from the cosmic background, revealed not by ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

After a year-long renovation, the Michigan Science Center reopened its planetarium Friday, showcasing technology upgrades and ...

When European Commission ­president Ursula von der Leyen opened her September state of the union address with the startling words “Europe is in a fight”, little did she realise that the continent was ...

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

Green-glowing interstellar comet 3I/ATLAS, heading for its December 19 flyby, is spewing key organic 'ingredients for life' ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our Solar System ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

Here's a look at scientific discoveries and breakthroughs that made headlines in 2025, spanning space, biology, ecology, and ...

Avi Loeb (AL): A comet is defined as an object that sheds dust and gas as a result of the illumination of pockets of ice on ...