Credit: MARK GARLICK via Astronomers have watched a massive star vanish in the night sky, only to be replaced by a black ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

“The expectation was that every big galaxy we see in the nearby universe would have started from these itty-bitty pieces.” ...

Samantha Harvey has won the UK's top fiction prize for a novel that takes place over 24 hours on the International Space ...

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

The Hubble Space Telescope has captured imagery of spiral galaxy UGC 2890. The "galaxy lies around 30 million light-years ...

A group of astronomers analyzing data from the James Webb Space Telescope (JWST) say some of the oldest galaxies in our ...

JWST data challenges theory that dark matter aided early galaxy formation, as bright signals found instead of expected dim ...

Dark matter is an essential element of galaxy formation and physics, according to the standard theory of how the universe ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...

All the major elements of NASA’s next flagship space telescope are now under one roof as NASA says its development remains on cost and schedule.