NASA has detected a mysterious signal coming from a distant super-Earth called TOI-1846 b, a planet nearly twice Earth's size ...

One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite.

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

Engineers at NASA’s Jet Propulsion Laboratory in Pasadena, California, modified the backup Mariner 4 spacecraft to operate closer to the Sun, and on June 14, 1967, NASA launched Mariner 5 on a 127-day ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

It’s not often you find a laid-back city where Michelin-starred restaurants, trendy shopping districts, cultural encounters, ...

Efforts to clean up air pollution in China and across East Asia may have inadvertently contributed to a spike in global warming, a new study has found. The decline in aerosol emissions — which can ...

A chunk of the Martian surface that made unlikely voyage to Earth will be available to highest bidder at Sotheby's auction in ...

As China slashed sulfur dioxide emissions by roughly 75 percent, a new study finds Earth began warming much, much faster.

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

New images reveal that the strange Martian stripes on the slopes are formed by avalanches of dry dust, not liquid water.

The model Kite’s team built was unique in that it captured evolution of the Martian landscape and climate over an extremely ...