Pluto is the tiniest planet in our solar system with a diameter of roughly 2,377 kilometers, making it even smaller than our ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

The James Webb Space Telescope (JWST), launched in 2021, is currently the most powerful space observatory ever built.

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

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

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that one trip around the Sun takes more than 11,000 years. For much of that time ...