Space
How to see six planets in the sky at once in rare celestial alignment
Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be visible from anywhere on Earth
News
Space
What to read this week: Ripples on the Cosmic Ocean by Dagomar Degroot
Culture
Space
Saturn’s rings may have formed after a huge collision with Titan
News
Space
Synchronised volcanic eruptions on Io hint at a spongy interior
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Space
Mars’s gravity may help control Earth’s cycle of ice ages
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Space
Our solar system is extremely weird: Best ideas of the century
Features
Space
BepiColombo mission will start to unpick Mercury’s secrets in 2026
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Space
Two asteroids crashed around a nearby star, solving a cosmic mystery
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Space
Comet 3I/ATLAS from beyond solar system carries key molecule for life
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Space
Forming moon may have taken three big impacts early in Earth’s history
Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense
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Space
We’ve found an unexpected structure in the solar system’s Kuiper belt
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Space
A distant comet is forming new rings while we watch in real time
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Space
There might be a ‘Planet Y’ hiding in the outer solar system
News
Space
Ceres may have been habitable at just half a billion years old
News