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Photo of comet 67P/Churyumov–Gerasimenko taken by the Rosetta spacecraft

Earth

The mystery xenon in Earth’s atmosphere came from icy comets

The moon is younger than we thought according to data from the Rosetta spacecraft that shows 22 per cent of our atmospheric xenon came from comets

News

General relativity passes test at Milky Way's central black hole

Space

General relativity passes test at Milky Way's central black hole

News

sun

Space

NASA mission into sun’s atmosphere named after astrophysicist

News

Saturn’s moons could reassemble after a cosmic smash-up

Space

Saturn’s moons could reassemble after a cosmic smash-up

News

Diagram of the shape of a synestia – like a red blood cell or a doughnut

Space

Huge impact could have smashed early Earth into a doughnut shape

News

Brendan Cowell as Galileo, Alex Murdoch as Little Monk

Space

Brecht’s Life of Galileo pumped up for the 21st century

Culture

Titan’s riverbeds show a terrain built more like Mars than Earth

Space

Titan’s riverbeds show a terrain built more like Mars than Earth

News

meteorites landing on early Earth

Space

Microbes might thrive after crash-landing on board a meteorite

News

Stars can start shining at a smaller mass than we thought

Space

Stars can start shining at a smaller mass than we thought

News

Picture of Earth looking very round and blue

Earth

Odds on: Five scientific theories decided by wager

From the existence of black holes to the reality of climate change, over the years some big questions have been the subject of bets, finds Michael Brooks

Features

Space

Neptune-like exoplanet spotted that has a watery atmosphere

News

Space

NASA rocket mission takes 1500 sun images in just 5 minutes

News

Space

Waves surge in opposite directions around Io's largest lava lake

News

Space

Earth may have been born in a huge flare-up of the young sun

News