Scientists discover 3 Earth-size exoplanets that may have double sunsets — like Tatooine ...

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

XRISM catches a pulsar's cosmic wind—and sees a surprising result

The universe is a strange place. The X-ray Imaging and Spectroscopy Mission (XRISM) orbiting observatory recently highlighted ...