Tereza Pultarova

Europe's most active volcano, Italy's Mount Etna, erupted on Sunday (Aug. 13) after weeks of puffing out odd smoke rings. Here is how it looked from space.

Astronomers have discovered a failed star that can't sustain nuclear fusion in its core, but is 2,000 degrees Fahrenheit hotter than the sun.

The town of Lahaina on Hawaii's Maui island has been burnt to ashes by the devastating wildfire.

Exoplanets in the habitable zone of the Trappist-1 star, some 40 light-years away from Earth, are more likely to have liquid water than researchers previously thought, according to a new study.

Mild solar storms can cause more serious problems to GPS satellites than once-in-a-century events, a new study has found.

A powerful solar flare disrupted radio and navigation signals across North America on Monday and prompted space weather forecasters to issue warnings because of energetic particles hitting Earth.

A lightweight version of the International Space Station's robotic arm will help Astroscale remove decades-old space junk from Earth's orbit in the first mission of its kind.

The Cygnus NG-19 mission arrived at the International Space Station after a two-day space ride on Friday, Aug. 4, delivering supplies and equipment including a new potable water dispenser.

Legendary guitarist Brian May talks to Space.com about his collaboration with NASA's OSIRIS-REx mission and a new book about asteroid Bennu written with the mission's science lead Dante Lauretta.

Queen guitarist Brian May and the chief scientist of NASA's asteroid-sampling OSIRIS-REx mission have collaborated on a book about the asteroid Bennu — and it's not a PR stunt.

Removing carbon from Earth's atmosphere may not reverse devastating changes to weather patterns in vulnerable areas, a new study suggests.

Scientists may have just found what makes the sun's outer atmosphere, the corona, so inexplicably hot.

Queen guitarist and astrophysicist Brian May is about to release a book of 3D photographs of the near-Earth asteroid Bennu, based on images gathered by NASA's OSIRIS-Rex spacecraft.

A new unpublished study is making waves on the internet, claiming that one of the brightest stars in the night sky might die in a spectacular explosion within our lifetime.

Exponential growth in Starlink orbital collision avoidance maneuvers in the past six months is sparking concerns over the long-term sustainability of satellite operations.

Hum from onboard electronics that power SpaceX's internet-beaming Starlink satellites may disturb radio astronomy observations, a new study has found.

Stunning first videos from a new space-borne instrument designed to improve the monitoring of thunderstorms show the crackle of lightning over Europe, Africa and the Atlantic Ocean.

The sun has produced 163 sunspots in June, the highest monthly number in more than two decades, sparking concerns that Earth may soon face space weather trouble.

We have never seen dark matter and dark energy, so why do we think they exist? And what would happen if Europe's new space telescope Euclid finds evidence that they don't exist after all?

Europe's Euclid telescope is heading to space to prove whether hypothetical dark energy and dark matter really exist. The mission's findings may rewrite cosmology textbooks.

The tragedy of the Titan submersible might usher in a sea change in the tolerance of unclear hazard mitigation practices in space tourism companies.

Ocean water temperatures around the U.K. and Ireland are over 9 degrees Fahrenheit (5 degrees Celsius) above long-term averages for this part of the year.

The European-Japanese BepiColombo spacecraft took this stunning sequence of images of its target planet Mercury during a gravity assist flyby designed to alter its speed.

An amazing new video demonstrates how Earth's tilt changes throughout the year, causing the day to lengthen and shorten from north to south as the planet orbits the sun.