The first images from ESA/NASA’s Solar Orbiter are now available to the public, including the closest pictures taken of the Sun.

Researchers have identified a group of black holes that had previously been mistaken for a different kind of black hole.

Two NASA astronauts finished preparations for Thursday’s spacewalk to complete battery swaps on the space station.

Five years ago, for the first time ever, we saw the surface Pluto in spectacular, colored detail.

For those hoping to catch a glimpse of comet NEOWISE, there are several observing opportunities in the coming days.

NASA's next giant leap may be aided by tiny lunar robots that would help scout the lunar surface.

The first helicopter attempting to fly on another planet is a marvel of engineering. Get up to speed with these key facts about its plans.

Two NASA astronauts are preparing for the final spacewalks to upgrade power systems on the space station.

Testing teams seized the unique opportunity to perform a critical software and electrical analysis on the entire observatory.

With the help of citizen scientists, astronomers have discovered two highly unusual brown dwarfs.

The Hubble image shows NGC 7513, a barred spiral galaxy. Located approximately 60 million light-years away.

NASA’s Parker Solar Probe was at the right place at the right time to capture a unique view of comet NEOWISE.