An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...

Study using radio telescope data finds most geostationary satellites emit little unintended radio interference in frequencies used for astronomy ...

Solar activity is again stirring public anxiety, but the current situation is more nuanced than the most dramatic headlines ...

The basin, widely known as 'Lake Manly,' was once a vast Ice Age lake that stretched 100 miles and plunged 600 feet deep more ...