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sun energy

Space

Space solar: The global race to tap the sun's energy from orbit

Solar panels in orbit could generate round-the-clock green energy and beam it down to Earth. Has the time for this epic feat of engineering come round at last?

Features

Fixed-wing drone flying against a snowy backdrop

Technology

First flight of hydrogen-powered drone with water vapour exhaust

News

Physics

Does Germany's nuclear waste headache warrant a global fix?

Leader

Lighthouse

Space

Galactic GPS: How dead stars will guide us in deep space

Features

Ancient maps of Jupiter's path show Babylonians' advanced maths

Space

Ancient maps of Jupiter's path show Babylonians' advanced maths

News

nuclear fusion

Physics

Nuclear fusion: Can the stellarator unleash the power?

Features

How Planet Nine may have been exiled to solar system's edge

Earth

How Planet Nine may have been exiled to solar system's edge

News

Life

Solar system mysteries: Where can life exist?

Features

Solar system mysteries: What's inside Saturn?

Space

Solar system mysteries: What's inside Saturn?

Features

Space

Solar system mysteries: Why is the sun magnetic?

Eruptions from the sun could wipe out our power grids, costing trillions of dollars – unless we start to understand the most fundamental physics of our star

Features

Space

Solar system mysteries: Could we live on the moon?

Features

Space

Solar system mysteries: What happened to Venus?

Features

Space

Hints that 'Planet Nine' may exist on edge of our solar system

News

Space

Solar system mysteries: Is there a planet X?

Features