One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Electrical engineer Ed Tate was skeptical of proposals for space-based solar power when he initially heard about the concept seven years ago. “My first reaction was, ‘That really sounds like science ...

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the National Astronomy Meeting 2025 hopes to ...

Beijing team finds that potential electrical discharges, though brief, could induce abnormal currents in spacecraft systems.

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like empty space and more like a furnace, where charged particles heat to tens of ...

Commercial spaceflight is booming and looks to go into full-on kaboom stage in the near future, sparking the need for an ever-increasing supply of solar panels. To fill this need, Dcubed is developing ...

FILE - The Milky Way is seen over the Haleakala Observatory and the lights of Kahului, at right, Saturday, Nov. 23, 2024 at the summit of Haleakala National Park near Kula, Hawaii. (AP Photo/Lindsey ...

The Kuiper Belt object Altjira was thought to be a binary, but closer analysis suggests that it is highly likely to be a triple system This raises the question of the three-body problem; if Altjira ...

A new planetary system is forming around the young star HOPS-315. Scientists observed the earliest stages of planet formation around another star. The process involves the cooling and solidifying of ...

At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

A new study assesses the risk of space-based solar power satellites damaging nearby orbital space infrastructure with ...