Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Shedding light on the gravity of the situation. Most people do not realize that many of the stars and heavenly bodies they see in the sky no longer exist. In fact, many have ceased to exist for ...

Explore the Earth and Mars comparison to discover why Earth is the perfect habitable planet, uniquely sustaining life on ...

Our solar system officially houses eight planets, but some scientists say there could be a ninth. And that’s not just Pluto aficionados – evidence suggests a huge undiscovered world lurks on the dark ...

Scientists have confirmed that eruptions from distant stars can escape their star's pull. A radio telescope in the ...

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet’s existence based on small deviations in the motion of Uranus.

How do you explore the interior of a planet without ever touching down on it? Start by watching the way the planet spins, then measure how your spacecraft orbits it — very, very carefully. This is ...

Does dark matter follow the same laws as ordinary matter? The mystery of this invisible and hypothetical component of our ...

A 'gravity hole' on Earth? Earlier this summer, researchers with the Indian Institute of Science published a paper exploring one of these 'gravity holes'. Found all over the planet, these are spots on ...

AUSTIN (KXAN) — A ‘gravity hole’ on Earth? Earlier this summer, researchers with the Indian Institute of Science published a paper exploring one of these ‘gravity holes’. Found all over the planet, ...