The Smithsonian Astrophysical Observatory (SAO) is launching a nationwide strategic investment in the future of rural ...

Earth" planet was discovered by researchers. It is not believed these planets are more common than previously thought.

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

The SMITHSONIAN ASTROPHYSICAL OBSERVATORY is a part of the Smithsonian Institution which, in conjunction with the Harvard College Observatory, studies basic physical processes that determine the ...

Santa Cruz County students are getting first dibs on a new nationwide astronomy program for rural K-12 schools that the ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

These Chandra images reveal how stars end their life in majesty Smithsonian Astrophysical Observatory The supernova that resulted in the creation of SNR 0509-67.5 occurred nearly 400 years ago for ...

Smithsonian Astrophysical Observatory Data Sonification: M16 (Eagle Nebula, "Pillars of Creation") Optical Only Smithsonian Astrophysical Observatory Data Sonification: M87 Smithsonian Astrophysical ...

Our new study of the nearby starburst galaxy Haro 11 has shown that strong X-ray-emitting superwinds may be a key mechanism enabling galaxies to leak ionizing radiation, which is believed to have ...

An international team of astrologers claim to have discovered a 'super Earth' that's bigger than our own blue planet but smeller than Neptune.

A newly published study in The Astrophysical Journal has revealed the presence of a previously undetected supermassive black ...