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

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Revisiting old data from Voyager 2, scientists have worked out how a dense, shocked region of the solar wind could have ...

NASA reveals the true, bizarre reason for the 3I/ATLAS comet's 16.16-hour pulse. Scientists link the interstellar object's ...

Space is inaccessible to the vast majority of us, but it’s not as far away as you might think. The von Kármán Line, which is ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

Orbital solar power faces a $20 billion Cassiopeia build cost, giving you a clear view of where it could pay off first in practice. The design and ...

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

NASA has been observing bodies in space for a long time and compiled lists of behavioral patterns and discovered an asteroid ...

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 ...

"Some of our ancestors were very skilled observers." A team of international researchers say they've uncovered new data on ...