The U.S. Space Force could double in size within the next decade as the Pentagon increasingly treats space as a contested military domain rather than a supporting utility, according to the service’s ...

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—pose a risk to humans when they fall to ...

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

Using this method to track uncontrolled objects plummeting at supersonic speeds, they said, could help recovery teams reach ...

By Jessica Coria A circular economy is one in which products do not end up as waste but are instead repaired, reused, or transformed into new materials. This stands in contrast to the linear economy ...

Japan’s H3 rocket suffered engine trouble on December 22, 2025, and failed to place a Japanese navigation satellite into ...

The startup secures $2 million in pre-seed funding to ramp up testing and launch its first demonstration satellite next year.

Earth scientist Andrea Donnellan studies the surface of the Earth from the sky to better understand earthquakes, including ...

Taftan in southeastern Iran rose 3.5 inches over 10 months, satellite data point to summit pressure at a peak with no ...

A single patch on the Sun recently stayed hyperactive for 94 straight days, hurling flare after flare into space and setting ...

Often misunderstood as "hovering," satellites are actually in constant free-fall, perpetually missing Earth's surface as the planet curves away beneath them.

The Taftan volcano in Iran is showing signs of activity, with satellites spotting an uplift at the summit. This volcano is believed to have last erupted 710,000 years ago, with clear data from 10,000 ...