3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized ...

Harvard astrophysicist Avi Loeb suggests that interstellar object 3I/ATLAS may have just broken up into well over a dozen ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Last week, four lasers were projected into the sky above the European Southern Observatory (ESO) Paranal site in Chile. The ...

In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion ...

NASA is closely tracking two asteroids, 2025 VW and 2025 VC2 that are around 1-2 million miles away from the planet.

New simulations suggest magnetic fields hold the key to forming black holes that defy known mass limits. When powerful ...

The search for quantum gravity is the next big step in physics, as researchers seek to unify the physics of the very small ...

In the fall of 2024, two separate pairs of stellar mass black holes, hundreds of millions of light-years away, spiraled into ...

A handful of extremely massive stars, each heavier than 1,000 Suns, may have sculpted the chemistry of the oldest star ...