For nearly three decades, astronomers have interpreted the faint luminosity of certain distant explosive stars as a sign of ...

Researcher Matthew Graham said scientists didn't initially "believe the numbers about the energy" emitting from the cosmic ...

"It’s very provocative." The post New Paper Claims Everyone Is Wrong, Universe’s Expansion Is Slowing Down appeared first on ...

A giant star that is still being consumed by a supermassive black hole may have caused the largest flare of its kind ever seen, astronomers say.

Learn what a black hole is, how it forms, and how astronomers detect it. Understand the science behind black holes and their ...

The expansion of the universe is already confusing and controversial, with researchers unclear exactly how fast it is going ...

Evidence now suggests the universe’s expansion has started to slow, not speed up. The findings imply dark energy is weakening ...

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.