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

The ‘gravity tractor’ method of asteroid deflection involves flying a spacecraft close enough to an asteroid so its gravitational attraction

Researchers present a numerical estimate for the amount of encoded information in all the visible matter in the universe.

When NASA's James Webb Space Telescope launches, it will undergo one of the most harrowing deployment processes any spacecraft has endured.

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

Firing a nuclear warhead at a small asteroid on a collision course with the Earth could stop 99 percent of it from hitting the planet.

Between 1982 and 2020, at least 51,512 people were rescued on land and at sea with help from a network of Earth-orbiting satellites.

Australia has agreed to build a 20-kilogram (44-pound) semi-autonomous lunar rover for NASA to take to the moon as early as 2026.

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.

Of many remarkable events shown in Star Trek, warp drive was one of the many futuristic ideas that caught the attention of many people.

Scientists have discovered stars unexpectedly blasting out radio waves, possibly indicating the existence of hidden planets.

Two NAU astronomers presented groundbreaking research at the annual meeting of the Division for Planetary Sciences, a branch of the AAS.

NASA's Lucy spacecraft will launch in October 2021 on a 12-year journey to Jupiter's Trojan asteroids and will include three gravity assists

Measuring a magnetic field isn't so hard if you're inside of it. Measuring a magnetic field remotely is an entirely different story.

A team of space scientists has published a paper suggesting that there may be an Earth- or Mars-sized planet orbiting beyond Neptune.

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

The retrograde rockets needed to land on the moon's surface will also kick dust and rock up into the air potentially damaging the lander.

TMZ reported that the 90-year-old Shatner would be on the October 12 voyage, making him the oldest person ever to go to space.

Photosynthesis could occur in Venus' clouds with the middle and lower clouds receiving solar energy similar to the Earth's surface.