When two black holes meet, they are drawn to one another by way of their enormous gravity, initiating a powerful orbital ...

MAUI SPACE SURVEILLANCE COMPLEX, Hawaii—China is “intentionally trying to do things” in space “so we don’t see it,” from changing the brightness of their satellites to maneuvering in what it believes ...

Working from computer screens in chilly rooms, the force has emerged as a vital part of America’s war machine amid increased competition from China and Russia. It looked more like a satellite ...

Some time soon, perhaps next year, SpaceX will attempt to fly one of its enormous Starship rockets from low-Earth orbit back to its launch pad in South Texas. A successful return and catch at the ...

NEW DELHI: India is developing a plan to improve its ability to protect satellites from attacks, people familiar with the matter said, after a near miss in orbit highlighted risks to national security ...

"With these probability maps, we can push asteroids away while preventing them from returning on an impact trajectory, ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

A new study has challenged a popular explanation for the unexpected 30-second shortening of Dimorphos's orbital period. The ...

Several satellite companies—including SpaceX, Project Kuiper, OneWeb, Telesat, and Guowang—are designing “mega-constellations ...

Scientists have begun to unravel the origin story of a cataclysmic collision between two black holes, which seem to have met ...

I first tried the Norwegian 4x4 workout a year ago, and since then, it has become a staple of my fitness routine. I don't do it every week (some folks do), but it's a workout I keep returning to ...

Waves of synchronized, coordinated neuronal activity have been observed and studied in the brain for over a century. But for ...