Across the cosmos, many stars can be found in pairs, gracefully circling one another. Yet one of the most dramatic pairings occurs between two orbiting black holes, formed after their massive ...

For the first time, astronomers have caught a glimpse of shock waves rippling along strands of the cosmic web — the enormous tangle of galaxies, gas and dark matter that fills the observable universe.

WASHINGTON , April 28 /PRNewswire-USNewswire/ -- Securing America's Future Energy (SAFE) and the Belfer Center for Science and International Affairs at the Harvard Kennedy School today jointly ...

Astronomy Hubble revisits stunning Trifid Nebula after 30 years, and spots a growing jet of energy — Space photo of the week ...