Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

KYIV, Ukraine (AP) — Ukraine has offered to strike a deal with U.S. President Donald Trump for continued American military ...

Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more ...

Dust off your old science textbook from grade school and you’ll probably find a familiar illustration of the Earth sliced in half, revealing the planet’s layers, from the crust down to the core — ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

1️⃣ Shifting shape: Scientists who recently confirmed that Earth’s inner core reversed its spin have a new revelation.

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

With climate change, wildfires, and human encroachment, our forests are in desperate need of guardians. What is being done to protect our woodlands?

We celebrate 11 of the most beautiful mountains in the world: from the Alaskan wilds and remote Greenland to the giants of ...

Strangely, over a century, America’s two major political parties gradually reversed identities, like the magnetic poles of Planet Earth switching direction. When the Republican Party was ...

Scientists have found an asteroid that might smash into the Earth in December 2032. That's less than eight short years away, ...

The moon rock signifying NASA's lunar ambitions had adorned Joe Biden's Oval Office throughout his entire presidential ...