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Our neighbouring planets can help us understand Earth's climate change

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


How are sand dunes formed and why do they even exist?

How are sand dunes formed and why do they even exist?

11 November 2020

The strange, beautiful shapes that sand dunes form are a mystery. Now researchers are conducting huge desert experiments and using dune racetracks to figure it out


Don't miss pic

Don't miss: Darwinian premiere, what's really real and sun science

26 September 2018

London's Natural History museum gets a new theatre, The Skeptics’ Guide to the Universe gets a book and the biggest exhibition about our star


Rock layers show our sun has been in same cycle for 700 million years

Rock layers show our sun has been in same cycle for 700 million years

13 August 2018

Our star gets more and less active in a repeating cycle that lasts 11 years, and ancient rocks suggest it behaved the same way over 700 million years ago


A day used to be less than 19 hours long 1.4 billion years ago

A day used to be less than 19 hours long 1.4 billion years ago

4 June 2018

The moon is making days on Earth last longer and longer, and we can track the changes through climate effects seen in the geological record


Mars

Mars rocks may have drunk up all the water and doomed life there

20 December 2017

We used to think Mars lost most of its water to space when its atmosphere blew away. Instead, the water may have been sucked up by rocks that sunk underground


Enceladus’s hot, gritty core may cook up ingredients for life

Enceladus’s hot, gritty core may cook up ingredients for life

6 November 2017

Saturn’s moon Enceladus seems to have a sandy core that warms water passing between the grains. This heating could help create conditions that are right for life


The dwarf planet Eris

Volcanoes that spew stretchy ice could make dwarf planets bright

20 October 2017

Something strange is happening on dwarf planets Eris and Makemake. They’re tiny and cold, but they still show surprising signs of geologic activity, like real planets


Moon

Lunar volcanoes and lava lakes gave the early moon an atmosphere

6 October 2017

The same volcanic eruptions that made the dark patches we can see on the moon spewed out enough hot gas to create an atmosphere billions of years ago


Huge space rocks could have helped start Earth’s plate tectonics

Huge space rocks could have helped start Earth’s plate tectonics

25 September 2017

Nobody knows how or why plate tectonics got started on Earth. But new evidence suggest collisions with space rocks millions of years ago may have something to do with it


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