The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...
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Scientists spot a massive object quietly shadowing Earth’s orbit
Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the Sun in a complex dance that only looks like a shared orbit from our vantage ...
Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...
A new analysis suggests modern satellite networks could suffer catastrophic collisions within days of losing control during a major solar storm. The phrase “House of Cards” is often associated today ...
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