Earth" and a massive outer planet, revealing insights into extreme planetary evolution. An international research team, led ...

You might think that the most likely place for a NASA astronaut to see an unidentified flying object would be while or ...

If you like the smell of spring roses, the sounds of summer birdsong, and the colors of fall foliage, you have the stabilization of the ozone layer to thank for it. Located in the stratosphere, where ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

A program is collecting data from commercial space missions to help determine the effects of space flight on human health.

The North American Aerospace Defense Command is once again prepared to track Santa and his reindeer around the world. NORAD, which is responsible for protecting the skies over the United States ...

The stunning spectacle — part of a test flight of SpaceX ... We saw some deer running around kind of startled,” he said. “It’s really startling if you don’t know that it’s happening.” One 1972 study ...