Get the Popular Science daily newsletter💡 Our solar system is approximately 4.6 billion years old, but countless planetary neighborhoods are…
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Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the…
Read More » The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its…
Read More » Astronomical surveys have discovered nearly 6,000 exoplanets, including many habitable planets, which may harbor liquid water on their surfaces. The…
Read More »:max_bytes(150000):strip_icc()/TAL-planet-parade-PLANETPARADE0225-ec005f1aec4241eebc67dc1a9955f95c.jpg "How to See the February 2025 ‘Parade of Planets’")
Seven planets will be visibly in the night sky on Feb. 28. Mercury, Venus, Jupiter, and Mars will be visible…
Read More » Most of the information we have about planets beyond our solar system (exoplanets) comes from looking at dips in starlight…
Read More »:max_bytes(150000):strip_icc()/TAL-Quadrantid-january-JAN1224-c26581f8f5f34661aacc3523e9becd97.jpg "See the First Meteor Shower of the Year, 6 Planets in One Night, and More in January")
While 2024 may have set the astrotourism bar high, 2025 has a host of night-sky marvels in store, too —…
Read More » New radio astronomy observations of a planetary system in the process of forming show that once the first planets form…
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