Commercial spaceflight is booming and looks to go into full-on kaboom stage in the near future, sparking the need for an ever ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

County supervisors are finalizing priorities for the 2026 General Assembly session ahead of a Dec. 10 public hearing on the ...

Space questions everything about what we know about existence and consists of gigantic stars, icy comets and distant worlds ...

The new Hubble image shows a compact, bright nucleus wrapped in clouds of gas and dust, which is called the coma ...

A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Four near-Earth asteroids are set to make close approaches to Earth within a 24-hour period, NASA’s Jet Propulsion Laboratory (JPL) has confirmed. Scientists stress that all four objects will pass ...

Swiss electrification firm ABB has acquired solar PV inverter and power conversion system producer Gamesa Electric for an undisclosed sum.

The ESA's Hera space probe is positioned as a frontrunner in planetary defence in light of the hype surrounding 3I/ATLAS and ...