A study led by the Center for Astrophysics | Harvard & Smithsonian (CfA) has captured the explosive interaction between a black hole and a nearby massive star (blue), as depicted in this artist's ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

WASHINGTON (Reuters) -Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what appears to be a new type of supernova, as stellar ...

In a remarkable cosmic event, astronomers have detected a black hole-star merger that has resulted in the longest gamma-ray ...

Black holes are dark, menacing objects with gravity so intense that not even light can escape, so you don’t want to mess with them. A recent discovery of one of the strangest supernovas ever observed ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

Devoured... from the inside out. The post Scientists Intrigued by Black Hole That Fell Into Star, Then Ate It From the Inside ...

Stars often fall into black holes, and now it seems the opposite can also occur, producing an extra long-lasting explosion as ...

Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

Two recently observed black hole mergers, occurring just weeks apart in late 2024, have opened an extraordinary new window ...