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 ...

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

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 ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly ...

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

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang ...

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 ...

Black holes are expected to be the last giant objects left in the universe, but even they will slowly shrink and disappear ...