Discover the fascinating world of hydroxyl megamasers, powerful cosmic lasers revealing secrets of distant galaxies and the ...

A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up ...

Using gravitational waves as a measure of the universe's rate of expansion could solve the biggest headache in physics, the ...

Astronomers have used the LOFAR telescope array to create the largest radio survey of the cosmos, revealing 13.7 million ...

Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

Some stars don’t just shine; they also manufacture the raw ingredients of future worlds.

LOFAR’s LoTSS-DR3 survey maps 13.7 million radio sources, revealing black hole jets, supernovas, galaxy clusters and new ...

The James Webb Space Telescope has only been researching for three and a half years, but it has already imaged a giant star ...

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the ...

India is building LIGO-India to detect gravitational waves from colliding black holes billions of light years away. How will ...

A man accused of killing acclaimed astrophysicist Carl Grillmair had faced trouble with the law, including gun charges and a ...