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Space

Synchronised volcanic eruptions on Io hint at a spongy interior

Five volcanoes on Jupiter’s moon Io erupted simultaneously, spewing a mind-boggling amount of lava onto the surface and giving us clues to what may lie underneath

News

composite picture of Mars

Space

Mars's gravity may help control Earth’s cycle of ice ages

News

Physics

Chernobyl cooling systems have lost power but meltdown risk is low

News

Our solar system is extremely weird: Best ideas of the century

Space

Our solar system is extremely weird: Best ideas of the century

Features

Space

BepiColombo mission will start to unpick Mercury's secrets in 2026

News

This is a false-color composite image of the Fomalhaut System taken with the Hubble telescope's Space Telescope Imaging Spectrograph (STIS) instrument in 2010 and 2012. The black circle at the center of the image blocks out the light from the bright star, allowing reflected light from the belt and planet to be photographed.

Space

Two asteroids crashed around a nearby star, solving a cosmic mystery

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A deep image of interstellar Comet 3I/ATLAS

Space

Comet 3I/ATLAS from beyond solar system carries key molecule for life

News

Moon Crossing Face of Earth

Space

Forming moon may have taken three big impacts early in Earth’s history

News

artwork of a section of the Kuiper Belt

Space

We’ve found an unexpected structure in the solar system’s Kuiper belt

News

Environment

Australia is getting free electricity - will other countries follow?

As one of the most advanced solar nations in the world, Australia is well placed to experiment with giving people free power - and if it succeeds, other countries may look to copy its approach

Analysis

Environment

Solar energy is going to power the world much sooner than you think

News

Space

A distant comet is forming new rings while we watch in real time

News

Environment

What made solar power the most desirable energy source on the planet?

Comment

Technology

Modular nuclear reactors sound great, but won't be ready any time soon

Analysis