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NASA's SWOT satellite maps nearly of all Earth's water (video)
By Samantha Mathewson published
Data from the Surface Water and Ocean Topography (SWOT) satellite was used to map surface heights of the planet's oceans and freshwater lakes and rivers.
The 'safe' threshold for global warming will be passed in just 6 years, scientists say
By Sascha Pare published
New research suggests we have just six years left to limit global warming to 1.5 degrees Celsius, and two decades to keep temperatures below the 2 C threshold in the Paris Agreement.
Astronaut captures image of a glowering 'skull' lurking in a giant volcanic pit in the Sahara
By Harry Baker published
NASA has released a new image of an eerie, cranium-shaped caldera in the Sahara Desert, which looks like it is staring right at the orbiting camera.
Astronomical Unit: How far away is the sun?
By Rebecca Sohn, Doris Elin Urrutia last updated
Reference Earth's distance from the sun averages about 93 million miles (150 million km), which scientists also call one astronomical unit (1 AU).
Satellite data reveals ancient landscape preserved beneath East Antarctic ice sheet
By Sascha Pare published
The 'ghost' of ancient river-carved landscape discovered has been preserved beneath the East Antarctic ice sheet since the continent froze over 34 million years ago.
Climate change has pushed Earth into 'uncharted territory': report
By Sharmila Kuthunur published
A new climate report finds humanity is pushing Earth's systems into "dangerous instability."
The West Antarctic Ice Sheet is melting, and it's too late to stop it
By Stefanie Waldek published
A best-case projection that meets ambitious Paris Accord targets suggests the West Antarctic Ice Sheet will melt three times faster in the 21st century than it did in the 20th.
Gulf Stream weakening now 99% certain, and ramifications will be global
By Ben Turner published
A new analysis has concluded that the Gulf Stream is definitely slowing, but whether it's due to climate change is hard to tell.
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