In 2017, astronomers made an unprecedented discovery: the first interstellar object ever confirmed to visit our solar ...

The universe is full of mind-bending, strange worlds that make Earth seem like a distant memory. In this video, we dive into 10 of the most bizarre and terrifying planets ever discovered by NASA and ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

One of the main objectives of the Hubble Space Telescope, launched in 1990, was to measure the size and age of the Universe, ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

The most powerful telescope ever launched into space uncovered a cluster of forming stars within the "toe beans" of the Cat's ...

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.