Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Guided by fast radio bursts, astronomers at the Center for Astrophysics have mapped how ordinary matter is distributed in the ...

By moving the SAO to the Harvard College Observatory, the Smithsonian would gain access to the network of solar research stations operated by Harvard. On July 1, 1973, the Smithsonian Astrophysical ...

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

The NASA/ESA Cassini-Huygens mission explored Saturn and its moons from 2004 to 2017, providing the most detailed images and ...

President Trump and Elon Musk have reignited their feud that they had supposedly worked past, with Trump now threatening Musk's companies' government contracts.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

The SpaceX Falcon 9 rocket will ascend along a southeasterly trajectory, then deploy a payload of Starlink broadband ...

CAPE CANAVERAL SPACE FORCE STATION — Even though the weather was uncertain, SpaceX was able to launch nearly 30 Starlink ...

By Gabrielle Stewart, American Women’s Astronomy History Intern at the Smithsonian Astrophysical Observatory with NASA’s Universe of Learning, Center for Astrophysics | Harvard & Smithsonian ...