Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a camera so powerful it can see light from galaxies that formed more than 13 ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.