Virgin Galactic’s SpaceShipTwo rocket plane - a craft intended to carry tourists on suborbital flights - exploded and crashed during a test flight Friday.
China’s Chang'e 5 spacecraft rounded the lunar far side earlier this week, on the return leg of its journey to the moon. It's now safely back on Earth.
Scientists found dust and gas flowing from an outer disk around a star toward a possible second, smaller disk around a second star. Planets may be forming here!
If quasars weren't so luminous, we couldn't see them so far away in space and time. But how about modest quasars, also far away? Astronomers say they've found some.