Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

Our solar system is on the move, traveling at 828,000 km/h through a galactic structure most people don't know exists. This ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Two researchers from an astrophysics institute in Pune have discovered one of the most distant spiral galaxies ever observed - a massive, well-formed system that existed when the universe was just 1.5 ...

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

A research team in Japan has created a groundbreaking Milky Way simulation that follows more than 100 billion stars with a level of detail that was once thought impossible.

NASA’s Goddard Space Flight Center shared the images of comet 3I/ATLAS. It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to ...