Physics
Chernobyl cooling systems have lost power but meltdown risk is low
News
solar power
Space
Two asteroids crashed around a nearby star, solving a cosmic mystery
News
Space
Comet 3I/ATLAS from beyond solar system carries key molecule for life
News
Space
Forming moon may have taken three big impacts early in Earth’s history
News
Space
We’ve found an unexpected structure in the solar system’s Kuiper belt
News
Environment
Australia is getting free electricity - will other countries follow?
Analysis
Environment
Solar energy is going to power the world much sooner than you think
News
Space
A distant comet is forming new rings while we watch in real time
News
Environment
What made solar power the most desirable energy source on the planet?
Comment
Technology
Modular nuclear reactors sound great, but won't be ready any time soon
Analysis
Chemistry
Sun-powered device extracts lithium without wrecking the environment
News
Environment
Why solar power is the only viable power source in the long run
Analysis
