A rare visitor from another star system has been spotted. It's the interstellar comet 3I/ATLAS, and it was detected on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS ...

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For over two months, astronomers have been closely following an interstellar object — dubbed 3I/ATLAS — as it screams through the solar system at a breakneck speed. The unusual visitor was only the ...

World-renowned astrophysicist Prof. Kip Thorne, theoretical physics, the California Institute of Technology, described how black holes and the recent detection of gravitational waves contributed to ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This is normal behavior for comets, an expert told Live Science.

Scientists have simulated what happens when a solar system pushes the limits of gravity and stability — and the results ...