Space
- Astronomy
2018 was a busy year in space
This year, some missions started exploring the cosmos, while others were winding down.
- Astronomy
These 2018 findings could be big news — if they turn out to be true
Discoveries about fossils, the Big Bang and more could shake up the scientific world – if they turn out to be true.
- Space
The sugar that makes up DNA could be made in space
Deoxyribose, the sugar of DNA, was created in a lab simulating ice in space.
- Astronomy
Bennu and Ryugu look like spinning tops and scientists want to know why
The first high-resolution images of Bennu confirm that the asteroid looks very similar to the asteroid Ryugu.
- Planetary Science
New Horizons gears up for its close encounter with Ultima Thule
On January 1, the New Horizons spacecraft will fly by Ultima Thule, the first small Kuiper Belt object ever to get a close visitor.
- Particle Physics
Neutrino discovery launched a new type of astronomy
Particles associated with a blazar kick-start the field of neutrino astronomy.
- Planetary Science
A buried lake on Mars excited and baffled scientists
Planetary scientists are still trying to explain how a lake could have formed beneath a kilometer and a half of Martian ice.
- Astronomy
The Parker Solar Probe takes its first up-close look at the sun
NASA’s Parker Solar Probe survived its first encounter with the sun and is sending data back to Earth.
- Planetary Science
NASA’s OSIRIS-REx finds signs of water on the asteroid Bennu
NASA’s OSIRIS-REx spacecraft found signs of water and lots of boulders on the asteroid Bennu.
- Cosmology
Voyager 2 spacecraft enters interstellar space
Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument.
- Astronomy
Astronomers find far-flung wind from a black hole in the universe’s first light
The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up together.
- Physics
Readers inquire about a Neptune-sized moon, nuclear pasta and more
Readers had questions about a Neptune-sized moon, nuclear pasta and the search for extraterrestrial life.
