New images show where super-polluters are venting this invisible, planet-warming gas into the atmosphere
High above the earth, a cutting-edge satellite is passing around Earth 15 times per day. It is hunting for leaks of methane – ...
A super-Earth beyond Mars would have made Earth nearly uninhabitable
A pair of planetary scientists simulated how our solar system might have evolved if it had a super-Earth orbiting where the ...
Space photo of the week: Hubble uncovers the true identity of an odd galaxy — and it's not spiral or elliptical
The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...