There's been a lot of hype and rumours about alien comet 3I/ATLAS lately. So, where is it now, what did it look like when it passed Mars and through its closest distance to the Sun, when will it ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

NASA is under growing pressure to release long-awaited images of the rare interstellar Comet 3I/ATLAS, only the third known ...

Astronomers have observedunexpected activity in C/2014 UN271, the largest comet ever detected from the Oort Cloud, while it remains over a billion miles from the Sun. Using the ALMA radio telescope, ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending a mission to one would undoubtedly yield a scientific payoff. There’s a ...

LONDON (CNN) — The Rosetta mission to land a probe on Comet 67P is past the point of no return, the European Space Agency (ESA) announced on Wednesday. “There is no going back now,” the agency said ...

DARMSTADT, Germany (AP) – The European Space Agency celebrated a cosmic touchdown Wednesday by successfully landing a spacecraft on a comet for the first time in history. The agency said it has ...

After 10 years and 4 billion miles, the European Space Agency's Rosetta spacecraft will arrive at its destination today for the first extended, close examination of a comet. The last in a series of 10 ...

A comet unlike any other in recorded history is on a trajectory to zip through the inner solar system in less than a decade, but like most space rocks that make the news, it isn't anything to lose ...

NASA said Tuesday that there is the possibility a comet could impact Mars in October 2014. Based on observations made last Friday, NASA's Jet Propulsion Laboratory has the comet passing within about ...