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A super-Earth orbiting its red-dwarf

Physics

Are there planets that are better for life than Earth?

Philosophers have long debated whether Earth is the best of all worlds. More powerful telescopes are finally giving us a better chance of answering this question, writes astronomer Chris Impey

Comment

Why we’re trapped in short-term thinking and how to take the long view

Society

Why we’re trapped in short-term thinking and how to take the long view

Features

Daylight saving time change, spring forward

Comment

Saving Time review: We need a longer sense of time – based on nature

Culture

NGC 1858 is an open star cluster in the northwest region of the Large Magellanic Cloud, a satellite galaxy of the Milky Way that has an abundance of star-forming regions

Physics

How are the atoms that form us forged across the universe?

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Atomic clock components sit in a laboratory setting, a blue light laser shines through a metal chamber, partially obscured by a pair of lenses

Physics

Most accurate molecular clock yet uses extremely cold strontium

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People waiting in the waiting room of a doctor's office

Health

People with low incomes spend longer waiting for basic services in US

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Coloured arrows

Physics

Quantum trick sees light move forwards and back in time simultaneously

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A deer in front of a car

Environment

Annual US clock change kills 33 people and 36,500 deer in car crashes

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Experiment in photonic laboratory with laser

Physics

Quantum watch is a 'completely new way of measuring time'

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Cows on a green globe

How spherical-cow philosophy makes hard physics problems easy

There's an old physics joke involving a spherical cow. Though it isn't side-splittingly funny, it does explain why physics works so well, writes Sean Carroll

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Space

Why general relativity is known as a background independent theory

Comment

Physics

Can particles really be in two places at the same time?

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Physics

What does it mean when we say that space-time is expanding?

Comment

Physics

Time loops may not be forbidden by physics after all

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