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Metallic hydrogen would be the ultimate fuel - if we can make it

Technology

Metallic hydrogen would be the ultimate fuel - if we can make it

The universe’s most common element could also be its most wondrous. Two different groups of researchers say they've made it - but can either claim withstand scrutiny?

Features

Are dark matter and dark energy related in anything apart from name?

Physics

Are dark matter and dark energy related in anything apart from name?

Comment

transparent solar cell

Technology

Punching holes in solar cells turns them into transparent windows

News

The grid of space-time shows the universe and its galaxies

Space

Dark energy: Understanding the mystery force that rules the universe

Features

Melissa Uchida

Video

Why neutrinos could answer some of the biggest questions in the cosmos

Video

Chamkaur Ghag

Video

The hunt for dark matter: Solving the universe's big questions

Video

Michele Bannister

Video

The inside story on 'Oumuamua and other interstellar worlds

Video

'I like a challenge': CERN physicist on the draw of weird antimatter

'I like a challenge': CERN physicist on the draw of weird antimatter

Regulars

Wind turbines generate electricity at the San Gorgonio Pass Wind Farm near Palm Springs, California, as a dust storm blows through the area. Located in the windy gap between Southern California's two highest mountains, the facility is one of three major wind farms in California.

Environment

It’s getting windier and that could be good news for renewable energy

News

steel workers

Environment

Tackling emissions from heavy industry is key to fixing climate change

Ramping up renewable energy, electrifying transport and ending energy waste is the easy stuff, the hard problem of climate change is reducing emissions from steel and concrete production

Leader

Physics

Why dark matter's no-show could mean a big bang rethink

Features

Definition

Heat pumps

Technology

Massive solar panels in Chilean desert point to our renewable future

Regulars

Definition

Biochemistry