Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

In the vicinity of black holes, space is so warped that even light rays may curve around them several times.

Skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in diameter.

The planet Venus can be seen as the Earth's evil twin. At first sight, it is of comparable mass and size as our home planet.

Astronomers have discovered the very first confirmed planetary system that resembles the expected fate of our solar system.

While black holes and toddlers don't seem to have much in common, they are remarkably similar in one aspect: Both are messy eaters.

When Nicole Oliveira was just learning to walk, she would throw up her arms to reach for the stars in the sky.

The approximately $4 million spacecraft, a smaller-than-usual type of satellite known as a "CubeSat," is as large as a "box of Cheerios".

Earth, Venus and the other planets residing in the inner solar systems were likely born from repeated hit-and-run collisions.

So far, we know of only two interstellar objects (ISO) to visit our solar system. They are 'Oumuamua and 2I/Borisov. There should be more.

For astronomers, the ability to observe the Cosmic Dawn represents an opportunity to answer the most enduring cosmic mysteries.

NASA is developing tools to increase astronaut autonomy to operate spacecraft or systems without assistance from the Mission Control Center

Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

Volcanoes can produce eruptions so powerful they release oceans of dust and toxic gases into the air, blocking out sunlight for decades.

In addition to gathering data on hundreds of known objects, this survey revealed 461 previously undetected objects.

The huge comet or minor planet, which astronomers are calling 'the coolest thing we've found', is expected to reach Saturn in 2031

While black holes and toddlers don't seem to have much in common, they are remarkably similar in one aspect: Both are messy eaters.

A 900-year-old cosmic mystery surrounding the origins of a famous supernova first spotted over China in 1181AD has finally been solved.

An international team of researchers has generated an entire virtual universe, and made it freely available on the cloud to everyone.

How do we find Earth-like planets outside our solar system? Send a giant structure that blocks starlight so that astronomers can see further