An astronomer and a group of eagle-eyed citizen scientists have discovered a giant gas planet hidden from view by typical stargazing tools.

Evidence demonstrates a close connection between the fraction of organic matter buried in sediments and changes in supernovae occurrence.

Astronomers have discovered at least 70 new free-floating planets — planets that wander through space without a parent star.

Astronomers spying on a stellar system located dozens of lightyears from Earth have, for the first time, observed a troubling fireworks show

Researchers have helped unravel the enduring mystery of the origins of the Earth's water, finding the Sun to be a surprising likely source.

A chunk of rock and iron, which was 60 feet across, served as a violent reminder that Earth, bombarded daily with tons of space-going debris

NASA plans to crash a spacecraft traveling at a speed of 15,000 miles per hour into an asteroid next year to test 'planetary defense'.

The missing link isn’t a not-yet-discovered fossil, after all. It’s a tiny, self-replicating globule called a coacervate droplet

A near-Earth asteroid named Kamo`oalewa could be a fragment of our moon, according to a new paper. Kamo`oalewa is a quasi-satellite.

A major new space telescope searching for 'Earth 2.0'—to Succeed Hubble and the James Webb Space Telescope —is one step closer to reality.

NASA plans to crash a spacecraft traveling at a speed of 15,000 miles per hour into an asteroid next year in a test of "planetary defense".

Earth may have experienced cycles of dryness followed by massive rain storms hundreds of miles wide that could dump feet of rain per hour.

We know that the continents are moving slowly due to plate tectonics, but continental drift only pushes the tectonic plates past each other.

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.

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.

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

Industry giant Lockheed Martin recently announced that they are investing in Orbit Fab's "Gas Stations in Space" refueling technology.

The idea that "space is getting crowded" has been around for a few years now, but just how crowded is it?