A team of international scientists has uncovered a surprising cosmic mystery, thanks to a galaxy nicknamed the Squid Galaxy ...

Harvard astronomer Avi Loeb discusses the hypothetical use of highly energetic events as a way to produce "gravitational-wave ...

The idea of a black hole entering our solar system sounds like science fiction, but what if it actually happened? Such an event could disrupt planetary orbits and even threaten life on Earth. This ...

An astonishing fact only known for the past few decades is that every big galaxy in the universe has a supermassive black ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

NTNU researchers may have found the answer to one of the big, unanswered questions in physics. The universe is full of ...

Most people have never heard of vacuum decay, but if it happened it would be the biggest natural disaster in the universe. If ...

Even at the present time, when humanity possesses extremely modern giant ground observatories, as well as advanced space ...

The curious minds at What If explain how the largest black hole in the universe could tear apart our entire solar system.

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our solar system.

This means black holes couldn't be more mysterious. Black holes are also unlike anything found on Earth or in the solar system in another respect: their sheer power. When surrounded by matter ...