These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

Earth`s interior provides heat from radioactive decay and chemical compounds by volcanic degassing, such as sulfur dioxide (SO 2) and carbon dioxide (CO 2). Quasiperiodic changes in Earth's orbit ...

By analyzing seismic waves from earthquakes from the 1960s, researchers from Peking University deduced that the Earth's inner ...

As President Donald Trump works to strike a deal to end the three-year war in Ukraine, an important piece of the negotiations for the president has revolved around accessing rare earth elements ...

The California company has already launched a demonstration spacecraft into Earth orbit and raised $55 million in funding. Now the company is set to actually travel toward a near-Earth asteroid in ...

Climate change is already causing all sorts of problems on Earth, but soon it will be making a mess in orbit around the planet too, a new study finds. MIT researchers calculated that as global ...

An asteroid gaining notoriety for its potential to collide with Earth in 2032 was estimated Tuesday to have roughly a 3% chance of striking our planet — the highest probability ever assigned ...

Scientists have uncovered surprising evidence that helium, a gas long thought to be chemically inert, may actually bond with ...

A so-called "city killer" asteroid scientists have been monitoring after discovering it had a small chance of hitting Earth in 2032 "no longer poses a significant threat," NASA said in its latest ...

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to ...

The U.S. Space Force — which took the reins from the Air Force's expansive military operations in space in 2019 — has released a view the robotic craft took from Earth's orbit. You can see a ...