Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs ...

Spaceflight makes certain human stem cells age faster, a study finds, furthering the understanding of the possible effects of ...

Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time — the interwoven ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

"We were amazed by the fact that these observatories can detect about 100 black holes just 250 million years after the Big ...

What, exactly, is space-time? Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of ...

The company founded by billionaire Elon Musk sent the 28 Starlink units into low Earth orbit atop a Falcon 9 rocket flying ...

The appeal is straightforward. Solar panels on Earth depend on weather. They shut down at night, sulk under clouds, and fade during winter. In contrast, a solar array parked 36,000 kilometers above ...

Ji Wu is director-general of the National Space Science Center, Chinese Academy of Sciences, Beijing, China. Since 2007, China has launched two lunar orbiters and a lander. In 2019, it plans to ...

President Trump said Tuesday that he will move the military’s US Space Command to Huntsville, Alabama — undoing a Biden-era ...