Learn how glaciers melt and contribute to seas rising in this animated explainer from NASA's Jet Propulsion Laboratory.

An international group of researchers is calling on the United Nations to include the protection of Earth's orbit in the U.N.

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

On Tuesday evening, six planets will line up in the night's sky - Mars, Jupiter, Neptune, Saturn, Uranus and Venus. Best ...

Donald Trump announced in his speech after being sworn in as president of the United States, "We will follow our destiny to ...

We will follow our destiny to the stars, sending our astronauts to plant our flag on the surface of Mars - announced Donald ...

We will follow our destiny to the stars, sending our astronauts to plant our flag on the surface of Mars - announced Donald ...

BAE Systems has successfully delivered NASA’s Spectro-Photometer for the History of the Universe, Epoch of Reionization and ...

Ukrainians will be able to watch the parade of 6 planets. This unique phenomenon was once called a sign of God, as it was ...