When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

An interdisciplinary team of scientists has uncovered new evidence showing that the health impacts of the Industrial ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and ...

A new interactive guide identifies the most effective actions you can take for the climate. The interest has been so great ...

On 2 December 1995, the ESA/NASA Solar and Heliospheric Observatory (SOHO) blasted into space—on what was supposed to be a ...

For thirty years, SOHO has delivered an unprecedented, nearly unbroken view of the Sun, surviving multiple near-catastrophic ...

Dolichospermum, a type of cyanobacteria thriving in Lake Erie’s warming waters, has been identified as the surprising culprit behind the lake’s dangerous saxitoxins—some of the most potent natural ...

Jupiter influenced Earth’s future long before Earth formed, slicing gaps in the early solar system to stop its raw materials from falling into the sun, a new study has revealed. The study was ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial green. The luminosity of this image is the result of the sun’s rays shining ...

With each new spacecraft launched, the risk of orbital collisions grows. Hundreds of satellites may soon be flying in orbital regions that are already too packed to allow safe and long-term operations ...