On 1 July 2025, astronomers using the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, detected a faint, fast-moving object unlike anything seen before.
Astrophysicist Avi Loeb has become a minor celebrity of science since a mysterious object named 3I/ATLAS was first spotted over the summer. Most researchers think it's an intriguing interstellar comet ...
Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...