Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

The magnetic north pole’s movement ... broader scientific discussions about the future of Earth’s magnetic field. Over the last two centuries, the field has weakened by about 9 percent ...

The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the dazzling display, too.

Auroras are one of Earth’s most mesmerizing natural phenomena, but did you know they also exist on other planets? From the ...

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.

About 3.8 billion years ago, two massive canyons likely formed ... moon — the side that always faces away from Earth — near the lunar south pole, where NASA’s Artemis III mission aims ...

That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...