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Hawaii's Kilauea volcano erupted in May 2018, creating a vast ash cloud visible from space and sending lava spewing from fissures to devastate homes. See photos of the volcano's ash and destruction from space.

Is the newest droid in the "Star Wars" universe the future of modern robotics?

Astronauts in space have been tracking Hawaii's Kilauea volcano eruption since May, but they've never revealed a view quite like this. Here's what Kilauea's lava looks like from space.

Here's a guide to the major astronomical events of the next year, as well as space launches and milestones for spacecrafts already in travel.

NASA astronaut Drew Feustel floats weightlessly above the Earth while tethered to the International Space Station during a spacewalk last Thursday (June 14).

A massive dust storm on Mars that covered one-fourth of the planet just a week ago has grown into a global weather event, NASA officials said Wednesday (June 20).

A lovely cityscape view captured from a rooftop on Amoreiras Towers in Lisbon, Portugal, shows the last "Blue Moon" of 2018 rising above the city on March 31.

The summer solstice marks the official start of summer. It brings the longest day and shortest night of the year for the 88 percent of Earth's people who live in the Northern Hemisphere.

A huge dust storm began forming on Mars in May 2018 and had expanded to encircled the planet by mid-June. See images of the storm here.

On June 21, 2004, the first privately funded human spaceflight, launched on SpaceShipOne. See how it happened in our On This Day in Space video series.

China has lowered the orbit of its Tiangong-2 space lab, likely in preparation for deorbiting the orbital facility and thus averting a similar scenario to the uncontrolled re-entry of Tiangong-1 earlier this year.

On June 18, 1983, 35 years ago, Sally Ride became the first American woman to launch into space, riding the Space Shuttle STS-7 flight with four other crew members.

A new study validates Einstein's theory of general relativity in a distant galaxy for the first time.

A moon rock gifted to Cambodia by the U.S. amidst the Vietnam War has been found and put on display after being all but lost to time and strife.

Soyuz is a type of spacecraft that Russia — and previously, the Soviet Union — has used to launch cosmonauts and astronauts into space for decades.

Before Sally Ride left her personal stamp on space history, the astronaut found a passion for collecting space-topical stamps. The first American woman to fly into space, Ride was honored with a United States postage stamp of her own.

Northrop Grumman Innovation Systems brings together decades of work by pervious companies in the aerospace industry.

In a meeting of the National Space Council yesterday (June 18), President Donald Trump ordered the Pentagon to get cracking on building a sixth branch of the U.S. military called the Space Force. We have one. It's called the Air Force.

President Donald Trump's call this week that to create a sixth branch of the U.S. military — which he called the "Space Force" — has reopened a wider debate on the military's role in space.

With government leaders and space organizations aiming to bring humans back to the moon, how do astronauts train to work on the lunar surface? A really, really deep pool.