"Detecting an exomoon would be quite extraordinary, and because of Io, we know that a volcanic exomoon is possible." ...

This novel and efficient series of maneuvers demonstrates the Space Force's commitment to achieving groundbreaking innovation ...

Located around 100 light-years away from Earth, the exoplanet is shrouded in a thick envelope of steam. This world, designated GJ 9827 d, is around twice the size of Earth, three times more massive ...

Using Europe's Gaia space telescope, astronomers have identified 55 runaway stars being ejected at high speeds from a densely ...

Jupiter's famous Great Red Spot has been under constant observation since the 19th century, but this new development is ...

In the days following its sweep around the sun, Ikeya-Seki was a spectacular sight in the late October and early November ...

This article is part of Astonishing artifacts, a regular series on Live Science that gives us new insight into how our ancestors lived.

A geomagnetic storm supercharged Earth's auroras, or the northern lights overnight on Thursday (Oct. 10), with aurora watchers in the U.S. and across the globe on hand to capture the stunning ...

Part of the toolkit for the Artemis astronauts will be the Handed Universal Lunar Camera (HULC). Recently, an international team of engineers, scientists and astronauts took HULC out for a test drive ...

Two NASA spacecraft have teamed up to capture direct images of Uranus. The Hubble Space Telescope and the New Horizons Pluto probe formed a cool tag team to investigate the mysterious seventh planet ...

Dark matter represents such a challenge to scientists because it makes up an estimated 85% of the matter in the cosmos but is effectively invisible because it doesn't interact with light. That means ...

A severe solar storm sparked by an intense flare from the sun could reach "extreme" levels as it bombards Earth, officials with the U.S. National Oceanic and Atmospheric Administration (NOAA) warned ...