Is K2-18b covered in oceans of water or oceans of lava?

In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and scientists strongly believe the same is true elsewhere. But from a great distance, it's ...

1.5C of warming is too hot for a just world: study

Curbing global heating at 1.5 degrees Celsius will avert runaway climate change but not mass suffering in developing nations, a consortium of 50 researchers warned Wednesday.

Climate Questions: How does carbon dioxide trap heat?

That carbon dioxide and other greenhouse gases trap heat is something scientists have known about for more than a 150 years. The underlying concept behind climate change is simple enough that school children can replicate ...

Venus: The trouble with sending people there

Venus, often called Earth's "evil twin" planet, formed closer to the sun and has since evolved quite differently from our own planet. It has a "runaway" greenhouse effect (meaning heat is completely trapped), a thick carbon-dioxide-rich ...

page 2 from 3