Thawing permafrost driven by climate change could free trapped microbes and radioactive material.
Need to know how to exercise without hurting your knees? You’re in the right place to find out.
That enigmatic U.S. military X-37B robotic space drone has now chalked up more than 500 days circling the Earth.
The molecules needed for life are common in space.
Earth is reflecting less light as its climate continues to change, new research suggests.
Einstein's ideas have shaped the way we see and interact with the universe.
Both are domesticated, but is one smarter?
There's no good reason why ammonia shouldn't be present at Uranus and Neptune.
The gargantuan Bernardinelli-Bernstein comet will strafe Saturn's orbit in 2031. Scientists are stoked.
Here's the science behind arachnophobia — the fear of spiders.