Space
- Astronomy
An interstellar asteroid might have just been spotted for the first time
A newly spotted asteroid might be the first known to come from outside the solar system, and it could carry information about the makeup of alien planet systems.
- Cosmology
What detecting gravitational waves means for the expansion of the universe
The latest LIGO signal proves that gravitational waves travel at the speed of light, ruling out a swath of cosmological theories in the process.
- Astronomy
Dawn spacecraft will keep orbiting the dwarf planet Ceres indefinitely
NASA just gave the Dawn spacecraft a second mission extension to orbit Ceres indefinitely.
- Astronomy
Here’s what space toilets can teach us about finding signs of alien life
Lessons learned from flushing space toilets can help researchers plan life-hunting missions to icy moons.
- Astronomy
Neutron star collision showers the universe with a wealth of discoveries
A collision of neutron stars was spotted with gravitational waves for the first time. Telescopes captured gamma rays, visible light and more from the smashup.
- Astronomy
Measured distance within the Milky Way gives clues to what our galaxy looks like
Astronomers used an old but challenging technique to directly measure the distance to a star on the opposite side of the galaxy for the first time.
- Astronomy
Measured distance within the Milky Way gives clues to what our galaxy looks like
Astronomers used an old but challenging technique to directly measure the distance to a star on the opposite side of the galaxy for the first time.
- Astronomy
Oddball dwarf planet Haumea has a ring
The dwarf planet Haumea is now the most distant ringed object spotted in the solar system.
- Astronomy
How to make the cosmic web give up the matter it’s hiding
Half the ordinary matter in the universe is unaccounted for. Astronomers may now have a new way to see it spanning the space between galaxies.
- Astronomy
50 years ago, a spacecraft discovered oxygen in moon rocks
In 1967, scientists dreamed of lunar processing plants to turn moon rocks into oxygen.
- Astronomy
David Kipping seeks new and unexpected worlds
Astronomer David Kipping became “the moon guy” by deciding no idea is too crazy.
- Astronomy
Why it’s good news that Pluto doesn’t have rings
The New Horizons team searched for rings around Pluto, and found nothing. That suggests the spacecraft’s next destination might be ring-free too.
