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) ...

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

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 ...

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

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

As their name suggests, main-belt comets tend to inhabit the main asteroid belt between Mars and Jupiter. But they grow tails just like a comet, whereas dark comets have no tails but move like a ...

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 ...

This new data reveals that not even all dark comets are the same: there are at least two different kinds. And, in turn, the ...