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 ...

U ranus is a very weird planet, and it turns out that there is a newly discovered oddity to add to its already extensive list. Astronomers used Hubble to study the interactions between the planet's ...

New measurements using the James Webb Space Telescope yield a Hubble constant of 70.4 km s −1 Mpc −1 (±3%), closely matching the cosmic microwave background value of 67.4 km s −1 Mpc −1 (±0.