Discover which planet is the fastest in the solar system. Learn why Mercury moves at 47 km/s, has the shortest year, and ...

The Sun exhibited unpredictable behavior with two strong solar flares in late November and early December 2025. These events, ...

Overview Energy, a new startup, plans to beam power from space-based solar arrays to Earth's solar farms for near-continuous ...

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...

The findings provide an answer to a planetary mystery that has bewildered scientists for nearly four decades.

The stealthy startup plans to use a network of satellites to harvest sunlight and send it to Earth using infrared lasers.

Earth is not a still point in space, but a planet hurtling through the cosmos at incredible speeds. This video breaks down the complex layers of our motion: the 66,000 mph orbit around the sun, the ...

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

New research shows Uranus’ fierce radiation belts were a short-lived blast from a solar storm, reshaping what Voyager 2 ...

Two asteroids are set for safe flybys near Earth, reassuring the public that no threat exists. NASA emphasizes these events ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...