Space & Physics

Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, is elusive

New James Webb Space Telescope images could shed fresh light on how dying stars evolve over time

Subatomic black holes from ancient cosmic history could, in principle, make you have a very bad day. But chances are you’ll never encounter one

The space environment—microgravity, extreme temperatures and more—make it near-impossible to truly test a space toilet like Artemis II's ahead of launch, experts say

Ahead of schedule and under budget, the Nancy Grace Roman Space Telescope will launch in early September. The mission aims to map the universe in unprecedented detail

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed rapidly in a chaotic disk at the dawn of the solar system

Fresh takes on Apollo’s famous “Earthrise” and “Blue Marble” images showed off our planet’s beauty just weeks before Earth Day

Researchers have developed a way to flip time to move backward in a quantum system. This level of control could lead to bizarre real-world applications

More than 100 NASA astronauts have signed on to a nonpartisan effort to promote “the principles that have propelled our nation for 250 years”

The Hubble Space Telescope turns 36 this year. And to celebrate, it released an incredible new image of the Trifid Nebula

This announcement from the FBI came after President Donald Trump highlighted the recent deaths of several scientists and government workers who may have had access to sensitive information

NASA needs new space suits to land astronauts on the moon by 2028, but development is behind and in danger of slipping further, according to a report from the agency’s Office of Inspector General