A high-energy particle, thought to have been sent our way by a supermassive black hole hundreds of millions ...

Supermassive black holes are exotic astrophysical objects harbored at the centers of galaxies. Their masses can reach 1 ...

A recent observation has challenged the current theory about the way galaxies formed in the early days of ...

Scientists have discovered that a small galaxy called Tucana II has a much stronger gravitational pull than expected, ...

Our universe is not as peaceful as what we see in the night sky. Eruptions or catastrophes can ...

A radio telescope has found evidence that planets might form at the same time as their stars, instead ...