Project Horizon was shuttered due to cost overruns. Had it succeeded, it would have militarized the lunar surface.

Tibetan foxes are some of the most fascinating predators of the high-altitude Tibetan Plateau. Known for their unique ...

Some places on Earth are so dangerous, bizarre, or hostile that visiting them feels like stepping into a sci-fi thriller.

"We believe that continuing such activities will further expand our horizon in the field of planetary science." ...

The earliest peak of sizzling temperatures can be found in the desert Southwest, with places like El Paso, Texas, and Tucson, Arizona, reaching their hottest in late June. Meanwhile, cities like New ...

“It’s a paradox. The deep sea is highly connected, but also incredibly fragile,” said Dr. O’Hara. “Understanding how life is distributed and moves through this vast environment is essential if we want ...

Did you feel it? The planet spun a bit faster last week, by enough to give us our shortest day of the year, so far.

Anyone trotting out the well-worn "it’s been a long day" line on July 22 might end up having to rephrase, as Earth is set for ...

Similar deep-sea volcanoes found on Earth support microbial life that lives inside solid rock without sunlight and oxygen. Some of these microbes, called thermophiles, live at temperatures hot enough ...