SpaceX’s worth is nearing $150 billion after signing a share sale agreement with new and existing investors this week. Tesla Investors Not Happy With Mr. Tweet’s Tweets As per the agreement, the investors will sell up to $750 million in stock ...

NASA astronaut Steve Bowen during his eighth spacewalk outside the ISS.Photo: NASA The International Space Station (ISS) is about to get outfitted with new solar arrays to increase its power, and two astronauts are ready to put in that orbital ...

Asteroid Apophis is scheduled for a brief rendezvous with Earth and NASA is hoping to get a good view of the close encounter in order to prepare for potentially hazardous visits by other rocky bodies. Astronomers Could Soon Get Warnings ...

A NASA probe sent to observe Jupiter’s swarm of asteroids recently caught the first glimpse of its rocky targets, capturing deep-space images of four of the mysterious Trojans. What Is Planet Nine and Why Can’t We Find It? The Lucy ...

A highly-anticipated mission to Jupiter and its intriguing moons is gearing up for liftoff, ready to begin an eight-year journey through the solar system to reach icy worlds that may host some form of life. NASA Delays Return to Earth’s ...