Trump and Zelenskyy speak after Putin call; Social Security Administration to require in-person visits; Agent Orange cleanup ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...

The Atacama Cosmology Telescope (ACT) team has captured the clearest images of the universe in its earliest stages—when it ...

Trained on the spectacular Flame Nebula, the Hubble and James Webb Space Telescopes went hunting for the smallest stars in ...

The telescope went looking for relatively warm ... Now, JWST has picked up the baton and completed what scientists called "a quantum leap" in understanding brown dwarfs. The researchers hope ...

Astronomer Massimo Robberto of the Space Telescope Science Institute described the baton passing of Hubble to the JWST as a "quantum leap" in astronomers capability to understand the nature of ...

The James Webb Space Telescope is investigating the Flame Nebula, hunting for "failed stars" to better understand how brown dwarfs form and evolve.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. It’s a two-for ...