There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2 ...

A new phase of the space race is unfolding far above Earth, but its effects may not stay there. Satellite launches have ...

There are about 15,000 artificial satellites currently circling Earth, with most residing in Low Earth Orbit (LEO). The satellites circling Earth are changing the skies in various ways. They reflect ...

More than a decade of satellite monitoring has mapped Earth’s magnetic field as it subtly altered between 2014 and 2025 — and what scientists have learned is remarkable. The South Atlantic Anomaly, a ...

Scientists gathered in a conference earlier this year in an effort to solve the issue of satellite streaks ruining a powerful ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Scientists detected a lithium spike nearly 60 miles above Earth and traced it to a Falcon 9 rocket re-entry, raising concerns.

A new report in Nature discusses how the dramatic increase in satellite launches will affect astronomy. Before 2019, the largest group of associated satellites was the Iridium satellite constellation, ...

Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth ...