Astronomy

Stars uncontaminated by heavier elements are thought to have formed very early in the universe, but a galaxy much later in cosmic history might let us see them for the first time

The spacecraft streaks through the darkness of space to reenter Earth's atmosphere.

It's no coincidence that a Klingon with a grudge follows the Enterprise's away mission to Kenfori.

NASA employees and allies protested sweeping science cuts they say are gutting the agency from within. As Congress pushes back on NASA leadership, workers warn the damage is already underway — and the future of U.S. space exploration is at risk.

Think: subzero temperatures, bone-rattling storms and mysteries about the future of our planet under the ice.

It's 1961, and four intrepid cosmic explorers journey to space under the leadership of Reed Richards, where they encounter cosmic rays that change them forever. But what are cosmic rays?

The newly waxing Moon passes Mars low in the west, then Spica and Antares while growing more robust. At dawn, Jupiter heads toward Venus.

The post This Week's Sky at a Glance, July 25 – August 3 appeared first on Sky & Telescope.

The sixth object in

Image: The turquoise waters southeast of the Kuwaiti island of Failaka are captured in this image acquired by the Φsat-2 mission.

A Russian Soyuz rocket launched the Ionosfera-M 3 and 4 satellites, along with an Iranian spacecraft and 17 cubesats, toward orbit early Friday morning (July 25).

Feeling profound grief years after a loved one has died could affect our own longevity

President Trump signed an executive order requiring companies with US government contracts to make their AI models "free from ideological bias". That could get messy for Big Tech

Hulk Hogan, a larger-than-life wrestler known for his showmanship, succumbed to cardiac arrest after a career marked by digital hoaxes and a landmark battle against online exploitation

A controversial arsenic microbe study unveiled 15 years ago has been retracted. The study’s authors are crying foul