Astronomy & Space news

Video: Big questions about small worlds

Scientists who study the solar system tend to ask big questions: How was our solar system formed? Where did the building blocks of life come from? What hazards from above threaten life on our planet? To find answers, they're ...

date14 hours ago in Space Exploration
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Energetic particles can bombard exoplanets

TRAPPIST-1 is a system of seven Earth-sized worlds orbiting an ultra-cool dwarf star about 120 light-years away. The star, and hence its system of planets, is thought to be between five-to-ten billion years old, up to twice ...

date16 hours ago in Astronomy
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