Why Earth's water could be older than Earth itself
31 October 2018
How did water survive Earth's searingly hot birth? A radical new answer turns planetary history on its head – and could revolutionise the search for alien life
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Found 34 results for asteroid
NASA’s deep-space mission to a $10 quintillion all-metal world
15 August 2018
The unique metal asteroid Psyche may be a space miner's fantasy – but there are better reasons to want to visit it, says mission leader Lindy Elkins-Tanton
Asteroid strike may have forged the oldest rocks ever found on Earth
13 August 2018
The oldest rocks ever found are over four billion years old and we don’t know how they formed – but a massive asteroid bombardment may be responsible
Asteroid that killed the dinosaurs caused massive global warming
24 May 2018
The asteroid that struck Earth 66 million years ago caused dramatic climate change, which could mean we are underestimating how much the planet will warm in the coming centuries
The worst mass extinction may have begun with mass sterilisation
7 February 2018
There seems to have been a surge in ultraviolet radiation during the Permian extinction 252 million years ago, and it might have left plants infertile rather than kill them
Cataclysms: A life spent chasing planetary catastrophe
25 October 2017
Evidence of asteroid impacts and other extreme events on Earth can prove elusive. Michael Rampino reveals what he's found in his latest book
The mass extinction that might never have happened
19 October 2017
An ecological catastrophe 201 million years ago supposedly paved the way for the rise of giant dinosaurs, but it may not have happened that way after all
A tech-destroying solar flare could hit Earth within 100 years
16 October 2017
If the sun spews “superflares” as often as other stars, one could take down power systems, damage the ozone layer and destroy satellites in the next century
The next supercontinent: Four ways Earth could reshape itself
11 October 2017
Plate tectonics is a slow-grind drama with some dramatic plot twists – these scenarios show how Earth might look in 250 million AD
Super-Earths draw asteroids to other worlds, which may seed life
26 September 2017
Asteroid collisions can be destructive – just ask the dinosaurs – but they also bring key ingredients for life. Super-Earths can draw them to nearby worlds
