space

Director James Gray muses on 'Ad Astra'

"I'm sorry to get sententious on you," James Gray says around the midpoint of our interview. The director of "Ad Astra" is apologizing for keeping things highbrow, which is no reason to apologize at all.

NASA's TESS mission spots Earth-size exoplanet

NASA's planet-hunting TESS mission has found its first Earth-size exoplanet in a star system only 53 light-years from Earth. Another exoplanet, a warm mini-Neptune, was found in the same system.

SpaceX faces key test in upcoming launch of its biggest rocket

SpaceX wants to compete with its arch rival in the lucrative business of launching ultra-heavy satellites into space. That's why the second-ever launch of its Falcon Heavy rocket — and the first to carry a payload for a paying customer — will be a key milestone for SpaceX.

Help name a planet in our solar system

It's been 10 years since the largest unnamed minor planet in our solar system was discovered. Yet it has remained nameless, apart from the identifier 2007 OR10.