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Space

The rise, the fall and the rebound of cyclic cosmology

Cyclic cosmology, or the big bounce, is the idea that the universe will eventually crunch back together and then go through another big bang. Columnist Leah Crane finds that, appropriately, it’s coming back

Comment

Dust rising from combine during crop harvesting, no-till technology professional occupation.

Environment

The Iran war is exposing the huge risks in our food system

Leader

Environment

Plug-in solar is coming – how dangerous is it and is it worth it?

News

The bombshell results that demand a new theory of the universe

Space

The bombshell results that demand a new theory of the universe

Features

Image from a MAYA collaboration numerical relativity simulation of a neutron star-black hole (NSBH) binary merger, showing the disruption of the neutron star. Credit: Deborah Ferguson (UT Austin), Bhavesh Khamesra (Georgia Tech), and Karan Jani (Vanderbilt University).

Space

A bizarre type of black hole could solve three cosmic mysteries in one

Features

Crisis in cosmology: If we’ve got dark energy wrong, what could it be?

Space

Crisis in cosmology: If we’ve got dark energy wrong, what could it be?

Features

Environment

Is geothermal energy on the cusp of a worldwide renaissance?

Analysis

It’s your perception of sleep that’s making you feel tired all day

Mind

It’s your perception of sleep that’s making you feel tired all day

Features

Environment

This state’s power prices are plummeting as it nears 100% renewables

News

Environment

Old EV batteries could meet most of China's energy storage needs

Electric vehicle batteries are typically retired once they reach about 80 per cent of their original capacity, but they could be repurposed in electricity grids to balance out slumps in renewable generation

News

Video

Does dark energy stem from a thermodynamic theory of space-time?

Video

Technology

The electrification of everything: Best ideas of the century

Features

Space

The first quantum fluctuations set into motion a huge cosmic mystery

Comment

Technology

US to fire up small reactors in 2026 as part of 'nuclear renaissance'

News