In five or seven billion years time, the Sun’s life will come to an end. And it will be really spectacular - if you’re watching from far enough away.
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Articles on Earth
Displaying 141 - 160 of 173 articles
Some people think the sky is blue because of sunlight reflected off the ocean and back into the sky. But that’s not the real reason.
Canadians love to paddle on them and camp beside them, but our boreal lakes offer more than just peace and beauty. They could provide clues to how life on Earth began.
We need a positive vision for humanity, not tech-driven life on Mars.
You would not recognise Earth if you saw it 500 million years ago - the lands, oceans, climate and life were all very different. Scientists now have a new map of the deep history of Earth.
The planet is more similar to Earth than any other – except when it comes to supporting life.
To get us to Mars and beyond, a team of students from around the world has a plan involving lunar rovers mining ice and a space station between the Earth and the moon.
We know much about the true shape of our planet is thanks to two satellites that act as targets for lasers fired from Earth.
In countries that identify predominantly as Christian, scripture and its interpretations carry serious sociopolitical weight.
Earth is a relatively dry planet compared to some of the other ocean worlds in our Solar system. Life needs water so what about life on these other places?
Over the last 20 years, advances in the field of exoplanet discovery have excited the imaginations of scientists and enthusiasts alike. But we’re in position to know yet whether a planet is habitable.
Are we headed to a magnetic reversal and all the global disruption that would bring? Enter archaeomagnetism. A look at the archaeological record in southern Africa provides some clues.
The Earth’s orbit has driven ice ages in the past but those days could be over.
Full moons are good reason to look up – and the one on Nov. 14 is no exception. But here’s why you likely won’t see something shockingly different from other full moons you’ve observed over the years.
Large asteroid hits on Earth have the potential to wipe out humanity so knowing how to detect and deflect them is vital. But we know very little about the interior make up of many asteroids.
Our growing dependency on satellites for all forms of communication has made the problem of space weather even more acute.
Fifty years on from a groundbreaking paper, geophysicists have progressed from believing continents never moved to thinking that every movement may leave a lasting memory on our planet.
Life on Earth may have started with a bit of sunshine and showers, followed with a light breeze of laughing gas and a sprinkle of hydrogen cyanide.
The number of known exoplanets doubled this week to more than 3,200. But why have only a handful of these those new planets caught people’s imagination?
In the search for life on other planets in the universe we need to find the right kind of star, and it needs to have the right kind of space weather.
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Top contributors
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Professor (Astrophysics), University of Southern Queensland
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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Senior Lecturer in Physics, Nottingham Trent University
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Teaching Professor, Department of Astronomy & Astrophysics, Penn State
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Associate Professor of Earth and Planetary Sciences, University of Tennessee
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Reader in Astrophysics, Keele University
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Director of the Abrams Planetarium, Michigan State University
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Professor of Astronomy, UMass Lowell
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Principal Lecturer in Psychology, University of Brighton
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Professor of Astronomy, Vanderbilt University
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Associate Professor in Archaeology and Space Studies, Flinders University
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Professor of Natural Sciences, UCL
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Professor of Geophysics, University of Sydney
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PhD Candidate, University of Southern Queensland
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Associate Professor, The University of Melbourne
