Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

One dwarf galaxy seems to consist of nothing but hydrogen and helium, no heavier elements, which is how the universe was ...

The discovery of a superheated star factory that forms stars 180 times faster than our own Milky Way could help solve a ...

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

Astronomers working hard at NASA have found a star that could be older than the universe. But is that even possibile? This ...

A new study suggests that during a potential phase of primordial matter domination, particle interactions may have led to the formation of the universe’s first compact cosmic objects. Less than a ...

The discovery indicates how galaxies could have grown quickly when the universe was very young, solving a long-standing ...

An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of ...

“The Universe will just get colder and deader from now on,” added Douglas Scott, study author and a cosmologist at the ...