Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

A stunning new study is challenging the conventional wisdom about Earth’s continents. For years, we’ve been taught that Earth ...

It's not uncommon for the type of animals and plants in a particular area to change over time. It's called species turnover ...

A research team is investigating the influence of the Zagros Mountains on the bending of Earth's surface. A team of ...

New insights into the extreme conditions behind "disintegrating planets" reveals how they are consumed by the heat of their ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Scientists have discovered evidence that California is actually peeling apart below the surface, as dense rocks under the ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

The two planets will be about two or three fingertip widths apart in the sky, he said. In reality, Venus, the second planet from the Sun, and Saturn, the sixth, will be nearly a billion miles apart.

Need a break? Play the USA TODAY Daily Crossword Puzzle. "Can you image how awesome it will be to have American astronauts plant the flag on another planet ... it broke apart in the atmosphere ...

And on Friday and Saturday night, skygazers will see Venus and Saturn snuggle up extra close — just two degrees apart. Any clear ... parade as a bonus seventh planet at the end of February ...

while users on X shared dramatic footage purportedly capturing the spaceship breaking apart in a fiery cascade during atmospheric re-entry. The Federal Aviation Administration, which regulates ...