Our best reader photos of 2024’s biggest display of aurorae
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The most spectacular auroral storm in over two decades swept over Earth last weekend — and our readers were there...
The Bennu samples have rocks unlike any meteorite ever found
A view of eight sample trays containing the final material from asteroid Bennu. Credit: NASA/Erika Blumenfeld & Joseph Aebersold.
In 1877, when English geologist...
LISA spacecraft will map space-time around rotating black holes
The LISA spacecrafts observing gravitational waves from a distant source while orbiting the Sun. Credit: Simon Barke/Univ. Florida, CC BY
Physicists consider black holes...
How to see the ISS (International Space Station) from your yard
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Sometimes its track carries it very high in the sky, even overhead, while other times it’s a lot lower, scraping...
How old is each planet in our solar system?
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While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for...
