A study led by NASA researchers provides new estimates of how much water courses through Earth's rivers, the rates at which ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

The impact of human activities—such as greenhouse gas emissions and deforestation—on Earth's surface have been well-studied.

A satellite image of the Galápagos Islands' La Cumbre volcano shows lava seeping from the iguana-covered mountain days into ...

Launched in 1977 to study Jupiter and Saturn, Voyager 1 has been exploring interstellar space — the space between star ...

Earth’s “second moon”—as asteroid called Kamo’oalewa—appears to have come from the moon itself. Scientists have concluded ...

Climate Central, a homegrown organization, has developed unique programs to help people understand the rapidly changing ...

Plus: Alarming levels of bird flu detected in milk, Voyager 1 regains cosmic clarity, and examining the effectiveness of ...

Relatively untouched ideas are gaining momentum as potential short-term solutions to lower Earth's temperature.

Underneath the parched sands of Atacama is a massive, diverse group of bacteria and a previously undetected biosphere, ...

The delicate space mission, undertaken by the Japanese satellite technology company Astroscale, used its ADRAS-J satellite to ...