Astronomers say the mystery object is the only one they've ever seen that's heavier than a neutron star, yet lighter than a black hole.

As seen from space, a huge dust plume is making an 8,000-km trek to the southern United States.

It's the first time astronomers have seen the green glow around a planet other than Earth.

The asteroid is similar in size to the supposed 'city killer' that surprised astronomers last year.

June's 'Strawberry Moon' includes a penumbral lunar eclipse for viewers in some parts of the world.

It's one of five large asteroids that will hurtle past Planet Earth this week.

Scott Young with the Manitoba Museum says that SpaceX's successful spacecraft launch could open up a lot of doors for things like space tourism.

NASA astronauts Doug Hurley and Bob Behnken reported that the capsule was performing beautifully, as they closed in for the docking.

Here's what you need to know about the Demo-2 test mission and SpaceX.

Video shows four neighbourhood squirrels tackling and learning from the NASA engineer's obstacle course.