Astronomers have unveiled a new catalog of massive galaxy clusters, revealing new insight on the evolution of the universe ...

Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just ...

Using the James Webb Space Telescope, scientists have charted billions of years of galactic evolution, and found that ...

Hubble’s updated view of NGC 3370, richer in light and detail than ever before, deepens our understanding of both the galaxy and the cosmos itself. This new Hubble Picture of the Week highlights a ...

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true ...

I/ATLAS was first discovered on July 1, 2025, by the ATLAS telescope system in Hawaii. Its hyperbolic orbit, a trajectory not ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

In 1867, Lord Kelvin imagined atoms as knots in the aether. The idea was soon disproven. Atoms turned out to be something ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark ...

A piece of flaming suspected space junk has landed in the desert in Western Australia, prompting fresh concerns the much ...