Center for Astrophysics, Harvard and Smithsonian

This artist's depiction shows a gas giant planet akin to Jupiter rising over an alien ocean.

New Super-Earths Double the Number of Life-Friendly Worlds

Three studies looking at small, rocky planets are helping astronomers figure out how common worlds like ours are in the galaxy

A combination of infrared and X-ray observations indicates that a surplus of massive stars has formed from a large disk of gas around Sagittarius A*.

Inside Black Holes

Three recent black hole events and how they shape our universe

Supernova remnant Puppis A.

The Big “Gravitational Wave” Finding May Have Actually Just Been Some Dust

A supernova remnant interacting with interstellar dust could have caused the signals interpreted to be gravitational waves

None

The Science of Monday’s Big “Gravitational Wave” Thing Explained in Two Minutes

Big Bang news left you lost? This Minute Physics video might help

A pigeon trap, on view at the Air and Space Museum, used by Nobel Prize winners Penzias and Wilson to remove the birds roosting in the radio antenna's large horn.

How Two Pigeons Helped Scientists Confirm the Big Bang Theory

For decades, astronomers had debated how the universe began. Then, in 1964, they had their "Eureka!" moment

Page 5 of 5