Science & technology

Flying in a flash

A new type of jet engine could revive supersonic air travel

It would also be simpler and more fuel-efficient

Robotics

Delivery robots will transform Christmas

Santa’s hi-tech little helpers

An old friend, back on Earth

How scientists went to an asteroid to sample the Sun

...and how listening to its return helped prepare them for Venus

Palaeovirology

Reviving ancient viruses can help fight modern ones

Insights from evolution can also improve vaccines

Future of chipmaking

Jensen Huang says Moore’s law is dead. Not quite yet

3D components and exotic new materials can keep it going for a while longer

Seismology (Taylor’s version)

The excitement of 70,000 Swifties can shake the Earth

As recorded by the Pacific Northwest Seismic Network

The chicken of tomorrow

Will lab-grown meat ever make it onto supermarket shelves?

The meat of the future remains too expensive in the present

Meep-meep. Boom!

A startup called Anduril has unveiled a reusable missile

Palmer Luckey’s firm hopes “Roadrunner” will shake up America’s arms industry

It does what it says on the tin

The Extremely Large Telescope will transform astronomy

It will be the world’s biggest optical telescope by far—and a powerful time machine

Forty thousand winks near the sea

Why chinstrap penguins sleep thousands of times a day

But only for four seconds at a time

The other greenhouse gas

Politics and technology are pushing oil firms to cut methane

When it comes to climate change, methane is low-hanging fruit

Termination shock?

Do rising methane levels herald a climate feedback loop?

A scientist notes ominous similarities to the ends of previous ice ages