NASA

More than 4,000 planets beyond our solar system have been discovered since the first in 1992.

NASA is hosting a variety of events which will be televised on the space agency's own TV channel to commemorate the 50th anniversary of the first moon landing.

NASA Administrator Jim Bridenstine also shared President Donald Trump's goal to put an American flag on the Red Planet.

Two strong earthquakes hit Southern California on July 4 and 5.

The Imaging X-Ray Polarimetry Explorer (IXPE) is a space observatory that's designed to collect X-ray light data from extreme phenomena.

The former NASA astronaut has told of a conversation he had with the renowned scientist.

The conference about a "major new science mission" will be held at 4 p.m. EDT.

The arch that connects Greenland and Ellesmere Island normally breaks up in June or July.

The volcano—located in the North Pacific—has long been dormant, with its last eruption occurring in 1924.

The event on July 2 will be the only total solar eclipse of the year.

Celebrate the 50th anniversary of the Apollo 11 Moon landing with a road trip to some of the places that made it possible.

The Space Test Program-2 mission, organized by the Department of Defense, will launch 24 satellites into orbit.

The technology has the potential to revolutionize navigation in space and usher in a new era of exploration to far-flung worlds.

The asteroid will come within around 1.82 million miles of our planet, or around 7.5 times the distance between the Earth and the Moon.

Michael Collins was a crew member of the historic Apollo 11 mission, alongside Neil Armstrong and Buzz Aldrin.

Before its mission ended in September 2017, NASA's Cassini probe conducted a series of dives between Saturn's cloud tops and its rings.

The full moon on Sunday will also coincide with Jupiter appearing particularly bright and large in the night sky.

Gamma-ray bursts are some of the most extreme events in the universe, producing vast jets of powerful radiation that can be detected billions of light-years from their source.

The ocean is thought to be be billions of years old and may contain as much as three times the volume of all the liquid water on Earth.

It was once thought that only young and active stars produced these explosive events, but according to a new study, our 4.6-billion-year-old sun also has the capacity.

The mass is five times bigger than Hawaii's Big Island and extends over 180 miles beneath the moon's surface.

NASA's James Webb Telescope will open up an entirely new avenue for searching for extraterrestrial life.

Snoopy was part of the 1969 Apollo 10 Mission that laid the groundwork for the first moon landings.

Companies looking to work on the ISS can expect to pay at least $50 million just in transportation costs.

The helicopter was designed to demonstrate the viability of controlled, powered flight on other planets.

Scientists have long been unable to explain the mystery of why the Sun's outer atmosphere is hotter than its surface.

Messier 90 belongs to a vast collection of more than 1,200 galaxies known as the Virgo Cluster, which has a diameter of 15 million light-years.

There are three different physical processes responsible for accelerating particles to vast speeds.

Roscosmos says the U.S. wants to "destroy" Russian-American relations in space.

The object will come within about 3 million miles of our planet.