Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

A distant galaxy, invisible for billions of years, has reappeared in a surprising form thanks to a rare cosmic illusion ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

"We see for the first time the effect of a quasar's radiation directly on the internal structure of the gas in an otherwise ...

Mars was, until a recent update, the training facility for Helldivers preparing to take part in the galactic spread of ...

This galaxy existed only 330 million years after the Big Bang, which was very much still the universe’s baby phase. But if this didn’t happen until about a billion years after the Big Bang ...

"Many independent measurements have firmly established that reionization was not fully completed until the universe was about one billion years old - 700 million years later than this galaxy ...

Observations by the keen-eyed Webb Space Telescope have revealed a huge galaxy in the distant—which is to say early—universe. The galaxy is a vibrant orange disk, dubbed the Big Wheel.

"Seeing a massive, well-ordered disk galaxy when the universe was just 2.4 billion years old forces us to rethink how rapidly and efficiently nature can build cosmic structures. "This galaxy not ...

“I just love the sparkle galaxy with its Christmas lights shining as it was when the Universe was just 600 million years old,” Prof Catherine Heymans, Scotland’s Astronomer Royal, told BBC New ...