The latest cosmic puzzle for scientists comes from the constellation Leo, roughly 240 lightyears from Earth. Astronomers, ...

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic ...

A team of astronomers have put together the largest, most detailed map of the universe ever created – and you can explore it ...

A near-complete census of our interstellar neighborhood hopes to answer how stars, brown dwarfs and rogue planets form ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

For decades, astronomers accounted for normal matter—also known as baryonic matter—as everything visible, like stars, planets ... cosmic microwave background is behind everything in the ...

"Mars is still the Red Planet. It’s just that our understanding ... rosy hue may actually hold important information about our cosmic neighbor. For decades, spacecraft and rovers have gathered ...

Small telescopes in Chile are first on Earth to cut through the cosmic noise, peering back more than 13 billion years to the ...

The universe is expanding. But how fast? Why is this happening? And what will be the universe’s ultimate fate? These are big, literally cosmic questions ... galaxies is red-shifted, a sign ...