A team of scientists has discovered that WASP-69 b, an exoplanet, has a comet-like tail of gas, stretching up to 563,000 ...

Oumuamua’s speed and path around the Sun don’t match a typical asteroid, but it also has no bright tail or nucleus (icy core) ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

Scientists have discovered seven more "dark comets," and analysis of this haul suggests that the puzzling planetoids are ...

NASA is investigating "dark comets," mysterious celestial bodies lacking the bright tails typical of comets. With ...

Comets are icy bodies that formed alongside the planets in the early Solar System before being flung into its distant outer ...

Astronomers have discovered that the exoplanet WASP-69 b has a comet-like tail, which extends more than 350,000 miles due to ...

Its speed and path around the Sun don’t match a typical asteroid, but it also has no bright tail or nucleus (icy core) we normally associate with comets. However, 'Oumuamua has erratic motions ...

NASA scientists are grappling with puzzling celestial bodies that defy existing classifications. These objects, dubbed “dark ...