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 ...

date33 minutes 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 ...

date2 hours ago in Astronomy
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A river of stars in the solar neighborhood

Astronomy & Astrophysics publishes the work of researchers from the University of Vienna, who have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively ...

dateFeb 15, 2019 in Astronomy
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