Tereza Pultarova

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.

The extent of sea ice surrounding Antarctica has fallen to a historic minimum this year, triggering concerns that the pristine polar continent might be reaching a climate change tipping point.

Europe's Mercury-bound probe BepiColombo made its third close flyby of its target planet on Monday (June 19), revealing a surface riddled with craters, including one that just received a name.

Europe's Mercury probe BepiColombo will take a close look at its target planet on Monday (June 19), and we can expect some exciting new images soon after that.

The way humans pump groundwater from the planet's interior has changed Earth's tilt by 31.5 inches (80 centimeters) between 1993 and 2010.

European scientists are developing an inflatable radio telescope concept that could do groundbreaking science on the moon.

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and technology for future moon landings as part of the NASA-led Artemis missions.

Average global temperatures are rising at an ever faster rate despite pledges of world leaders to tackle climate change, a new study has revealed.

China wants to put a small constellation of satellites in orbit around the moon to create a radio telescope that would open a "new window" into the universe.

The U.S. Northeast woke up to a "horribly smoky day" on Wednesday (June 7) as a low-pressure system funnels toxic smoke from wildfires in Canada across the Atlantic Coast.

Parabolic flights produce reduced gravity by following a wild trajectory of steep climbs and nerve-racking dives. The experience is out of this world, but for this reporter it had its challenges.

The James Webb Space Telescope spotted water in the atmosphere of the exoplanet WASP-18 b, which reaches nearly 5,000 degrees Fahrenheit (2,700 degrees Celsius).

One of the brightest stars in the night sky has been getting oddly brighter, prompting speculations that it might soon explode in a supernova. Can we really expect that celestial spectacle?

The James Webb Space Telescope has found a 6,000 mile-long plume of water squirting into space from Saturn's tiny moon Enceladus, creating a massive watery cloud in the planet's orbit.

Japanese company ispace revealed that an unexpected lunar terrain feature led the Hakuto-R lander's onboard computer to misjudge its altitude, leading to the crash.