An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

NASA spacecraft across the Solar System have observed the interstellar comet 3I/Atlas. The comet poses no threat to the Earth ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

Comet 3I/ATLAS was discovered on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) observatory.

Cutting-edge simulations show that Enceladus’ plumes are losing 20–40% less mass than earlier estimates suggested. The new ...

NASA Juno mission captured amazing new imagery of Jupiter's moon Europa. The spacecraft flew about 219 miles (352 kilometers) ...

Using data from NASA's Juno spacecraft, scientists have discovered that the solar system's most volcanic body is even hotter ...

Despite the Trump administration’s insistence that the U.S. must win a race back to the moon with China, NASA looks increasingly unlikely to succeed, experts say. Meanwhile China insists it isn’t in a ...

NASA Acting Administrator Sean Duffy revealed that the agency is reopening the contract for the first U.S. crewed lunar landing since the 1970s, inviting proposals from companies beyond SpaceX’s ...