NASA's MAVEN spacecraft observed Mars' ultraviolet glow pulsing exactly three times each night, and only in the Spring and Fall.
Scientific estimates could be lowballing how bad the climate crisis will get.
Molecular oxygen is a key component of the air humans breathe, and now astronomers have spotted it a half-billion light years away. But don't hold your breath for quasar whippets.
K2-18b is the "best candidate" to host alien life outside the solar system.
The Sun is getting grumpy again after years of relative peace.
A group of researchers discovered that Earth’s atmosphere extends almost twice the distance to the Moon after analyzing data gathered in the 1990s.
The two countries were responsible for disrupting the planet’s ionosphere in a series of experiments this June.
“In only a few billion years from now, half of the planet may be gone.”
The Dean of American Rock Critics reviews Homeboy Sandman & Edan's 'Humble Pi' and Open Mike Eagle's 'What Happens When I Try to Relax.'
A rise in atmospheric levels of CFC-11, a substance banned by the Montreal Protocol, prompted environmental investigators to find the source.
Venus’ varying rotational period has always been a mystery for astronomers, but computer simulations show that it may have to do with the planet’s viscous atmosphere on mountains.
This is "very much a detective story for us to try to unravel," says a NOAA scientist