SUNSET: 
How the Comet Interceptor Will Chase Visitors to the Inner Solar System
How will engineers plan the trajectory of Comet Interceptor, a mission designed to fly by an interstellar visitor, when its target is still unknown?
"Liquid Water" Below Martian Surface Might Be Clay
Mysterious spots that scientists thought were subsurface lakes beneath the Martian south pole may instead be ancient clay deposits.
How Often Do Chicxulub-level Asteroids Hit Earth?
Asteroids of different sizes crashing on Earth originated from different parts of the main asteroid belt, researchers say; the finding has implications for how often such collisions happen.
NASA's Insight Reveals First Look Inside Mars
The Insight mission science team has used about 10 deep marsquakes to take stock of the planet's anatomy.
Astronomy in Space with David Dickinson
NASA's Perseverance to Collect First Sample from Mars
Perseverance will soon collect the first of many samples from the Martian surface in a quest to answer whether the planet once hosted life.
Juno’s Ganymede Flyby: Video Update
NASA's Juno flew by Jupiter's Ganymede, the biggest moon in the solar system, on June 7, 2021.
Mars Helicopter Scouts Risky Terrain for Perseverance Rover
The Ingenuity Mars helicopter has proven itself a valuable asset to Perseverance, scouting out terrain that the rover can't cross.
Astronomy in Space with David Dickinson
What Will ESA's EnVision Learn at Venus?
ESA's EnVision mission to Venus adds to the growing number of spacecraft investigating our sister planet. How will they work together to understand our sister planet'?
Amateur Astronomer Discovers New Moon of Jupiter
An amateur astronomer has discovered a new moon of Jupiter. While it hasn't received official designation yet, it would bring the tally of Jovian satellites to 80.
NASA’s Curiosity Takes Step Toward Solving Mars Methane Mystery
New measurements from NASA’s Curiosity rover show that methane concentrations near the Martian surface vary on a daily cycle. The finding could help reconcile conflicting data.
More Mysterious Buried Splotches on Mars Might Not be Liquid Water
Astronomers find more bright spots underneath Mars's south polar cap, but could they really be subterranean lakes?
Venus Surface Is Fragmented Like “Pack Ice”
A new analysis of old data suggests that some of our sister planet’s unique surface formations are due to a “squishy” crust and an active interior.
Astronomers Map the Solar System's Edge in 3D
Collecting high-speed atoms has enabled researchers to trace the shape of our Sun’s protective bubble.
Giant Oort Cloud Comet Lights Up in the Outer Solar System
Astronomers have discovered a new comet coming from the Oort Cloud — and it appears to be a big one.
Iron Volcanos: Maybe Not Science Fiction After All
A new study of asteroid 16 Psyche suggests that ferrovolcanism, volcanoes that spewed molten iron, might have been present on this object.
China’s Zhurong Rover Snaps Selfie on Mars
China's Zhurong rover gets to work exploring Mars, with a new panorama of its landing site.
A Sunrise Annular Solar Eclipse
Even if you're not in the path of annularity during the June 10th solar eclipse, get ready for a sunrise spectacle.
We're Heading to Venus! NASA Selects Discovery-class Missions
After a hiatus of several decades, NASA is about to return to Venus in a big way.
Astronomy in Pictures: Unraveling Galaxies and Clyde's Spot
This week in astronomy pictures: Peer into our galaxy's busy core, watch Clyde's Spot unravel at Jupiter, and see a stunning Hubble photo of a lopsided galaxy.
Dawn Delight: Catch the Total Lunar Eclipse on May 26, 2021
On May 26th the Moon will be in total eclipse for the first time in nearly two and a half years. While timing favors western North America, a partial eclipse will be visible across much of the U.S. and Canada at dawn.