Speed-up due to release of hydrogen gas as comet warmed up in sunlight This artist's illustration shows the wayward interstellar visitor 'Oumuamua (pronounced oh-MOO-ah-MOO-ah) racing toward the ...

The reddish cigar-shaped object called 'Oumuamua spotted last year tumbling through space is a comet, scientists said on Wednesday, solving the mystery over how to classify the first interstellar ...

An occasional guide to the words and names in the news from Jo Kim of the BBC Pronunciation Unit. The Church of England's ruling General Synod met at the Lambeth conference this week and several ...

A new study has revealed that the acceleration of comet 'Oumuamua that visited our solar system can be explained by the release of hydrogen gas due to warming up in sunlight. Previously, there were ...