Researchers are looking into our planet’s past to understand its future. Just like archaeologists investigate layers of dirt ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Scientific advancements have made it possible to peek into a faraway galaxy that has big implications.

I've read that the planned crewed Mars missions will take six months or two years to arrive. Which is it? Could a longer trip ...

Cosmic dust normally comes from dying stars. The recipe for a lab-made version includes a few gases, vacuum tubes and ...

New satellite-based analysis explains how energy carried by Alfvén waves moves from Earth’s magnetosphere into the atmosphere to generate auroral light emissions.

Despite rare earth elements' importance in manufacturing cell phones, magnets and a host of other consumer and commercial ...

With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why hydrogen is the most abundant element in the universe.

Astronauts who see Earth from space often experience the overview effect, a profound shift in perspective that reveals the planet’s fragility and shared humanity.

A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped ...

Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving it an irregular shape ...