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Newfound comet likely an 'interstellar visitor,' scientists say

A newly discovered comet hurtling toward the orbit of Mars has scientists scurrying to confirm whether it came from outside the solar system, a likely prospect that would make it the second such interstellar object observed in our planetary neighborhood.

U.S. builds alliances in 'wild, wild west' of space: general

The new U.S. Space Command is working with allies in the “wild, wild west” of space and will harden future satellite networks against attacks, the unit’s top general said, as the Trump administration reorganizes its military space bureaucracy.

Who calls the tunes in space? Brad Pitt asks NASA astronaut

Brad Pitt traded laughs on Monday in a call to the International Space Station with a NASA astronaut, who somersaulted during the zero-gravity interview ahead of this week's release of the actor's new film, the space thriller "Ad Astra."

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