Young galaxy’s coming of age: Early galaxies may be surprisingly big and complex

Dead star's cannibalism of its planetary system is most far-reaching ever witnessed

Sierra Space to open world's first commercial human spaceflight center and astronaut training academy to train the future astronaut corps for the new commercial space economy, with company offices at Kennedy Space Center. Sierra Space aims to begin professional astronaut selection process in 2023

Astronomers find one of the most powerful known pulsars could be as young as just 14 years old.