Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

The US government's scientific weather forecasting agency said a powerful geomagnetic solar storm reached dangerous levels.

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

Google Project Suncatcher is a new research moonshot to one day scale machine learning in space. Working backward from this potential future, they are ...

This Sunday saw the launch of the Starcloud-1 satellite featuring an Nvidia H100, with startup Starcloud proposing to one day ...

Blue Origin's New Glenn rocket, carrying two satellites designed to measure space weather on Mars, is back on track for ...

Late on Oct. 21, 2025, a spectacular coronal mass ejection (CME) erupted from the far side of the sun, an area currently dominated by the powerful and persistent Active Region 4246. The eruption ...

The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate ...

Elon Musk has publicly suggested a concept for reducing global warming through a form of solar geoengineering, though it’s ...

Elon Musk's brilliant plan for saving us from climate change involves a little help from a swarm of friendly AI satellites.