Even by the strange standards of interstellar visitors, 3I/ATLAS is turning into a real cosmic outlier. Discovered on July 1, 2025 by the ATLAS telescope in Chile, this Manhattan-sized interloper — ...

The interstellar visitor 3I/ATLAS has turned into one of the strangest shows in the sky, shifting to a vivid blue and changing speed as it races back into deep space. As this giant, icy body that some ...

Add Yahoo as a preferred source to see more of our stories on Google. Chief Transportation Correspondent MayCay Beeler talks with Harvard Professor and astrophysicist Dr. Avi Loeb about the intrigue ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.