The 33 engines of the rocket’s booster stage had begun to ignite during Thursday’s launch attempt, but were then shut down. SpaceX will try again on another day.

The first tweets from the public appeared on July 15, 2006, several months after a soft launch. It was rebranded as X after being acquired by Elon Musk.

A New Jersey couple helped scientists uncover the makeup of an unusual asteroid after it fell into their bedroom.

It’s the first time a sugar molecule has been detected in interstellar space. The discovery provides tantalizing new clues into how life may have arisen on Earth.

Residents fear that the Trump administration’s plans to build a border wall will threaten the region’s spectacular starry skies.