Smithsonian Magazine on MSN
Astronomers Say Earth Has a Newly Discovered ‘Quasi-Moon,’ a Companion That Shares Its Orbit Around the Sun
Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...
The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get ...
Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...
"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers away." Half a dozen fragments of the moon may briefly orbit Earth at any ...
The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you ...
On Wednesday (Aug. 13), NASA announced that the four satellites of its exciting new sun-studying mission, PUNCH, have successfully reached their stations in orbit around our planet. They all lie along ...
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