Researchers have proposed an idea that could explain Oumuamua's acceleration It's possibly from the outgassing of molecular hydrogen "It's exactly what should happen to interstellar comets," study ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...

‘Oumuamua (1I/2017 U1) is the first object of interstellar origin observed in the Solar system. Recently, Micheli et al. (2018) reported that ‘Oumuamua showed deviations from a Keplerian orbit at a ...