On October 4, 2025, NASA’s Perseverance rover did something it was never designed to do. Instead of studying rocks inside ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

Astronomers using ALMA have measured an unprecedented deuterium-to-hydrogen ratio in the water of interstellar comet 3I/ATLAS, at least 40 times higher than Earth's oceans. The finding, published in ...

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

Light travels at a whopping 299,792 kilometers per second. It zips from Earth to the Moon in a heartbeat, clears the orbit of ...

This is the moment a mysterious object that has come from interstellar space was spotted travelling through our solar system. Images shared by the Canary Islands Institute of Physics on Thursday (3 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...