The presence of microbial life in Earth's stratosphere is not only opening up a new arena in which to study extremophiles, but is increasing the range of possible environments in which we may find life on other planets. This ...
Researchers at the University of the Witwatersrand have found ways to control the spin transport in networks of the smallest electrical conductor known to man.
China launched on Monday a relay satellite that will allow a rover to communicate with the Earth from the far side of the Moon during an unprecedented mission later this year.
Two nearby supernovae that exploded about 2.5 and eight million years ago could have resulted in a staggered depletion of Earth's ozone layer, leading to a variety of repercussions for life on Earth.
NASA's Voyager 1 took a classic portrait of Earth from several billion miles away in 1990. Now a class of tiny, boxy spacecraft, known as CubeSats, have just taken their own version of a "pale blue dot" image, capturing Earth ...
An asteroid around the size of a football field is expected to zoom by Earth on Tuesday, but at a safe distance, the US space agency said.
The US space agency said Friday it plans to launch the first-ever helicopter to Mars in 2020, a miniature, unmanned drone-like chopper that could boost our understanding of the Red Planet.
About 700 million years ago, the Earth experienced unusual episodes of global cooling that geologists refer to as "Snowball Earth."
There is a mystery in Earth's ancient past, and the clues lie in the desert rocks of Australia and other ancient places.
Climate models predict that an increase in greenhouse gases will dry out the Amazon rainforest in the future while causing wetter conditions in the woodlands of Africa and Indonesia. Researchers at the University of California, ...