Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

New measurements of the universe’s expansion using James Webb Space Telescope appear to resolve the Hubble constant conflict ...

For years, astronomers have been working to piece together the story of our universe, but the critical early chapters ...

New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

Despite its abundance, dark matter remains one of the most elusive components in cosmology. Astronomers hope that the Roman ...

Astronomers detect an ultramassive black hole weighing 36 billion suns in the galaxy LRG 3-757, a record thanks to ...

While dark matter can’t be seen directly because it doesn’t give off or reflect light, its gravity can bend light from other objects—a cosmic trick known as gravitational lensing. This bending of ...