A few weeks ago NASA's DART mission crashed into an asteroid. Followup observations from Hubble show a surprising finding: the asteroid now has a second tail.
Astronaut Samantha Cristoforetti recently returned from a six-month stint aboard the space station. Enjoy a selection of her best tweets from the mission ...
We can't predict exactly when any given star will go supernova, but now astronomers have come up with a method to spot stars approaching this critical point.
NASA's Transiting Exoplanet Survey Satellite has resumed operations following a technical issue that caused it to be put into safe mode earlier this week.
In a huge step forward for planetary defense technology, NASA has confirmed that last month's DART test mission successfully changed the orbit of an asteroid.
During the final days of her six-month mission aboard the ISS, astronaut Samantha Cristoforetti has paid tribute to the movie classic 2001: A Space Odyssey.
When it comes to searching for places beyond Earth where life could thrive in our solar system, some of the most intriguing targets aren't planets but moons.
NASA doesn't just point a telescope at space and snap a photo. JWST's data needs to be translated from infrared to visible light — then it becomes an image.
SpaceX had been set to launch a Falcon 9 rocket on Thursday, but this plan was derailed by a helium leak. Now, the launch will instead go ahead tonight.