Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

Have you ever wondered why we always see the same side of the Moon? Although it may seem like the Moon doesn't rotate, it does,just in a very special way. This phenomenon is called synchronous ...

Nearly 13 years after skydiving from the edge of space, Austrian skydiver Felix Baumgartner has died during a tragic accident ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

Earth has rarely looked as remarkable as it does in this stunning shot (above) captured by NASA astronaut Don Pettit from the ...

The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

Researchers are on firmer ground when it comes to the physiological impacts of increased UV radiation. With the weakened magnetic field, more harmful radiation would have reached Earth's surface, ...

In other words, the Trump administration appears intent to inflict significant geopolitical and economic harm on the U.S. to ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

A planning appeal has been thrown out after Google Earth satellite images were used to disprove claims by the company making ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...