What is it about Pluto that made astronomers – such as the likes of Dr Mike Brown, Professor of Planetary Astronomy at the California Institute of Technology (Caltech) – insist on its declassification?
NASA astrobiologist Dr. Jennifer Eigenbrode answers this taxing question for us
If you journeyed to the centre of the Earth, would your weight change?
Which of the eight planets is the most hostile?
The Sun has reached its solar maximum where its surface should be peppered with sunspots and erupting with solar flares and coronal mass ejections but, according to spacecraft, our star hasn’t been this inactive since 100 years ago. It has released the odd solar flare, however, and you can learn more about them here.
Is the geology of Mars similar to Earth?
How hospitable is Mercury to life?
Could the planets in our Solar System be getting closer and closer to the Sun?
Our sister magazine How It Works answers this popular question for us.
Hint: it doesn’t end well for Earth…
Witness this monster of a Martian supervolcano – the tallest peak in the Solar System
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What are these space rocks made of?
From tiny particles to defunct satellites, what do space agencies have to deal with up there?
Take a look at some stunning images of the Earth that have been snapped over the past five decades, including the latest picture of our world recently taken by the Cassini spacecraft from Saturn.
What is the longest-period comet we know about?
How do space rocks make such large dents in celestial bodies?
What would become of our planet if it suddenly stood still?
Would any of the proposed plans to capture asteroids affect the Earth’s orbit?
Five things you might not have known about this Pluto-bound spacecraft.
Why do spacecraft need to keep themselves at a low temperature to function properly?