A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of super-Earths and mini-Neptunes—planets that are 1 to 4 times the ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

On Dec. 17, the asteroid will come to within 5 million miles of Earth. Then, on Dec.22, 2032, 2024 YR4 will pass within just 167,000 miles of our planet. For context, the moon is 238,855 miles away.

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. Primordial helium from the ...

The Air Force said in October this would involve “a series of passes using the drag of Earth’s atmosphere,” and that once complete, it would resume its other experiments before de-orbiting.