Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...

A top a mountain in Chile, where the days are dry and nights are clear, a team of scientists and engineers is preparing for ...

This incredible interactive map, dubbed COSMOS-Web, lets you scroll through 800,000 galaxies and peer back as far as 13.5 billion years.

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint stars might have air.Scientists leading a high-priority observing program with ...

To Unlock Interstellar Travel, Scientists Are Building the World’s Most Powerful Laser Beam A lightsail built in one day could travel at 20 percent the speed of light. That shouldn’t be possible.

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.