Space
- Astronomy
Our first interstellar visitor may be a camouflaged comet
Originally thought to be a rocky asteroid, an interstellar traveler may have a comet’s icy heart.
- Astronomy
AI has found an 8-planet system like ours in Kepler data
An AI spotted an eighth planet circling a distant star, unseating the solar system as the sole record-holder for most known planets.
- Planetary Science
Saturn’s rings are surprisingly young and may be from shredded moons
Final data from the Cassini spacecraft put a date and a mass on the gas giant’s iconic rings.
- Science & Society
These are the most-read Science News stories of 2017
From Cassini and eclipses to ladybugs and dolphins, Science News online readers had a wide variety of favorite stories on our website.
- Science & Society
2017 delivered humility, and proved our potential
Acting Editor in Chief Elizabeth Quill reflects on some of the top scientific stories of 2017.
- Astronomy
This year’s neutron star collision unlocks cosmic mysteries
A rare and long-awaited astronomical event united thousands of astronomers in a frenzy of observations.
- Astronomy
Seven Earth-sized planets entered the spotlight this year
The discovery of seven Earth-sized planets orbiting a single cool star fuels a debate over what counts as good news in the search for life outside the solar system.
- Astronomy
New Horizons’ next target might have a moon
New Horizons’ next target, Kuiper Belt object MU69, may have a small moon.
- Planetary Science
Jupiter’s massive Great Red Spot is at least 350 kilometers deep
NASA’s Juno spacecraft has measured the depth of Jupiter’s Great Red Spot for the first time.
- Earth
Watching this newborn island erode could tell us a lot about Mars
The birth and death of a young volcanic island in the Pacific Ocean may shed light on the origins of volcanoes in Mars’ wetter past.
- Planetary Science
Saturn’s rings mess with the gas giant’s atmosphere
Data from Cassini’s shallow dives into Saturn’s ionosphere show that this charged layer in the atmosphere interacts with the planet’s rings.
- Astronomy
Most complete map of Titan reveals connected seas and cookie-cutter lakes
The latest map of Titan, based on all the data from the Cassini spacecraft, displays new details about the moon’s lakes and seas.
