Our neighbouring planets can help us understand Earth's climate change
31 August 2022
Studying the atmospheres of Venus and Mars can help us learn how Earth's climate will look in the future, says David Grinspoon
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Premium
Elements from the universe’s earliest stars gave birth to our sun
15 July 2020
It is easy to regard the sun as humdrum, yet it contains elements blasted from the universe’s first stars as they died and is halfway through its 9-billion-year lifespan
The solar system has too many moons – it's time for a cull
23 October 2019
Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane
SpaceX Falcon Heavy rocket test is the start of a race to Mars
4 January 2018
The imminent first flight of Elon Musk's giant new rocket could mark a spectacular start to a new era in space flight, says Paul Marks
It was always crazy to shoot for Mars before colonising the moon
10 October 2017
Common sense is prevailing in human space exploration, and the moon is back as the place we need to colonise before a riskier trip to Mars, says Paul Marks
What a surprise – the end of the world has been delayed, again
25 September 2017
The planet Nibiru was meant to wipe us out on Saturday. Undeterred by a no-show, doomsday theorists are already peddling more nonsense, warns Geraint Lewis
Tears for Cassini: why it's OK to well up over a lump of metal
14 September 2017
Expect more of the modern phenomenon of mass mourning for a machine when the space probe Cassini makes its death dive into Saturn, says Joelle Renstrom
