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Leonids 2026: How to Watch the November 17–18 Peak, Plus the Taurids
The Leonids peak on the night of November 17–18, 2026, with the Moon setting before the radiant climbs. Here is when to look, what to expect, and how the Taurids fill the…
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Latest Discoveries
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NASA’s CHAPEA Mission 2 Crew Exits After 378 Days in a Simulated Mars Habitat
Four volunteers left NASA’s 3D-printed Mars habitat in Houston on October 31 after more than a year of isolation meant to prepare crews for…
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ALMA and VLA Find Signs a Companion Disturbs Betelgeuse’s Atmosphere
New ALMA and VLA radio maps show Betelgeuse’s outer layers recovering after the Great Dimming and reshaping in step with the orbit of its…
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Rose-Colored Sahara Meteorite Is One of the Oldest Pieces of Mars Ever Found
A new study in Science finds the Martian meteorite Teghaza 001 formed at least 4.1 billion years ago, offering a rare sample of the…
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NASA Asks Companies Whether They Could Boost Hubble Into a Higher Orbit
A new NASA request for information seeks commercial ideas to reboost, service or safely retire Hubble before its expected re-entry in 2033 to 2034.
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Astronomy
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Astrophysics
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ALMA and VLA Find Signs a Companion Disturbs Betelgeuse’s Atmosphere
New ALMA and VLA radio maps show Betelgeuse’s outer layers recovering after the Great Dimming and reshaping in step with the orbit of its close companion,…
THE DEEP DIVE
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LIGO’s Clearest Black Hole Signal Lets Physicists Test Hawking’s Area Law
A gravitational-wave signal three times clearer than LIGO’s first detection allowed scientists to weigh black holes before and after a collision and to hear the remnant ring.
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Editor's Picks
The Observation Log
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