During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

In a galaxy far, far away, there lie clues to the cosmic dawn—the first few hundred million years in our ...

The first crewed mission around the moon in more than 50 years is coming up. Here’s how to see it at sites in and around the ...

The University of Chinese Academy of Sciences will develop a curriculum covering 14 first-level disciplines and specialties, including aerospace science and technology and planetary science.

"Interstellar navigation is a complex, systematic engineering task. Breakthroughs in a single discipline cannot support the ...

The X-Men revolutionized the superhero time travel story, with the team giving readers stories that run terrible to amazing.

Humanity has learned to fling machines to the edge of the solar system, but the stars remain stubbornly out of reach. The ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Time travel isn't exclusively a feature of the sci-fi genre, and history's greatest non-sci-fi time travel film is a classic ...

Twists like Darth Vader's reveal in The Empire Strikes Back, or the ending of The Mist, are among the greatest and most ...

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial ...

A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...