America’s journey back to the moon has run into a few missteps. NASA administrator Jared Isaacman is banking on a new approach.

There’s a good way to throw out the ISS. And then there’s a really bad way.

New research sheds light on what drives reddish water to emerge from underground to pour onto the Taylor Glacier.

A failure in the helium flow of the SLS rocket has prompted NASA to delay the Artemis II moon mission. Rather than March 6, the launch is now targeted for April.

Next month, the Earth will come between the sun and the moon, causing the moon to take on an eerie reddish hue.

What scientists thought were four separate star clusters are actually part of one nearly invisible system.

A 2023 law championed by Republicans requires the CDC have a director confirmed by the Senate. For months, though, it’s had only acting directors—and the White House won’t say when that will change.

Massive data centers for generative AI are bad for the Earth. How about launching them into orbit?

A new report finds that of 154 specific claims about how AI will benefit the climate, just a quarter cited academic research. A third included no evidence at all.

As patients and employers look for alternatives to pricey GLP-1 drugs, Silicon Valley startup Twin Health is using AI and wearable sensors to help people make healthier choices.

You can never truly empty a box. Why? Zero-point energy.

Snowpack levels across a wide swath of western US states are among the lowest seen in decades, even as regulators struggle to negotiate water rights in the region.

As the EPA moves to roll back the endangerment finding, which allows it to regulate greenhouse gases, experts predict uncertainty for business and a protracted legal fight.

Meditation isn’t thinking about nothing. New research reinforces that it’s a mind-altering, dynamic state that promotes focus, learning, and well-being.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Are you speechless watching US figure skater Ilia Malinin on the ice? Science explains how it’s possible the Quad God can do more than four full rotations in the air.

The site Realfood.gov uses Elon Musk’s Grok chatbot to dispense nutrition information—some of which contradicts the government’s new guidelines.

General Galactic, cofounded by a former SpaceX engineer, plans to test its water-based propellant this fall. If successful, it could help usher in a new era of space travel. That's a big “if.”

Among those Robert F. Kennedy Jr. recently named to a federal autism committee are people who tout dangerous treatments and say vaccine manufacturers are “poisoning children.”