Hanneke Weitering

Rivers could have been raging on ancient Mars for hundreds of thousands of years, a new study finds.

The moon will make a close approach to Jupiter and Saturn in the predawn sky on Tuesday, May 12, 2020.

A newfound black hole may be the closest black hole to Earth, and you can spot its cosmic home in the night sky without a telescope.

Two NASA astronauts will make history this month when they fly to the International Space Station in a SpaceX Crew Dragon capsule. But how long their mission will last has yet to be determined.

If two black holes tango in space but astronomers cannot see them, can we still admire their flashy dance moves?

Venus, the most brilliant planet in the night sky, will be shining at its brightest tonight (April 28).

A big asteroid will safely fly by Earth early tomorrow morning (April 29), and you can watch it approach our planet in real time tonight with a free webcast from the Slooh online observatory.

The huge "potentially hazardous" asteroid 1998 OR2, which will safely fly by Earth on April 29, appears to have brought its own face mask for its close encounter with our pandemic-ridden planet.

After a close encounter with the moon on Sunday (April 26), Venus will be at its greatest brightness of the year on Tuesday (April 28).

Russia will launch a cargo resupply spacecraft to the International Space Station today (April 24), and you can watch the launch and docking live online.

The Intrepid Sea, Air and Space Museum in New York City will host its first-ever "Virtual Astronomy Live" webcast today (April 24) at 2 p.m. EDT (1800 GMT).

Europe's new exoplanet-spotting space telescope has observed its first alien worlds.

You may not be able to see the moon in the sky tonight, but if you look up for long enough at a dark, clear sky, you may catch some "shooting stars."

NASA's OSIRIS-REx spacecraft, which is getting ready to scoop a sample of asteroid Bennu, has successfully completed a partial dress rehearsal for its historic trip to the asteroid's surface.

Comedian Stephen Colbert phoned the International Space Station today (April 15) to get some isolation tips from NASA astronaut Jessica Meir.

A "Super Pink Moon" will rise into the evening sky today (April 7), and you can watch it online with webcasts from The Virtual Telescope Project and Slooh.

The "potentially hazardous" asteroid 1998 OR2 is just a few weeks away from its close encounter with Earth, and you can watch the giant space rock's approach online or with a small telescope.

NASA is calling on its workforce to come up with creative ways that the agency can help fight the coronavirus pandemic.

Billions of locusts have been swarming in eastern Africa for months, ravaging crops and threatening the food source for millions of people. NASA satellites are coming to the rescue.

Three bright planets line up across the predawn sky above the New York City skyline in these gorgeous views by local photographer Alexander Krivenyshev.

The bright planets Mars and Saturn will tango in the predawn sky on Tuesday (March 31). You can catch them above the southeast horizon before sunrise.

The "evening star" Venus will meet up with the waxing, crescent moon in the night sky this weekend. You can spot the celestial pair above the western horizon after sunset.

The global response to the novel coronavirus pandemic is so intense that it's visible from space.

China successfully launched three new military surveillance satellites into orbit on a Long March 2C rocket today (March 24).

A large and "potentially hazardous" asteroid is poised to fly by Earth next month, but don't worry — it poses no threat to Earth.