Now, in a new yet-to-be-peer-reviewed paper, an international team of astronomers analyzed data collected by the European ...

Astronomers are desperately trying to learn more about a strange object in our solar system. It's a comet that they're ...

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

Comets do outgas in strange ways; icy jets can mimic controlled propulsion; dust tails and solar radiation can disturb paths ...

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

A mysterious "rogue" planet has been observed gobbling six billion tonnes of gas and dust a second -- an unprecedented rate ...

A mysterious celestial body speeding through the solar system and shedding metals was captured in July by the Very Large ...

Scientists are baffled by the suspicious behaviour of mysterious interstellar object 3I/ATLAS racing through our solar system ...

Something strange is moving through our solar system — and scientists are scrambling to figure out exactly what it is.

Dark comets are a unique type of cosmic object. While they may look like asteroids, they are actually comets with unusual ...