SUNSET: 
Asteroid Bennu’s Activity Still a Mystery
The near-Earth asteroid constantly shoots out rocks, leaving planetary scientists perplexed.
First Science Returns from NASA's Parker Solar Probe
In the first public release of data from NASA’s flagship heliophysics mission, scientists on the Parker Solar Probe team reveal surprises and mysteries from our host star.
First Global Geological Map of Saturn’s Moon Titan Released
Working with data from NASA’s Cassini mission, scientists have produced the first global map of Titan’s geological features.
Hayabusa 2 Leaves Asteroid Ryugu and Heads Home
The Hayabusa 2 spacecraft has completed its mission at asteroid Ryugu — including collecting samples — and is now journeying back to Earth.
Interstellar Space: The View from Voyager 2
Voyager 2 crossed into interstellar space a year ago. Now, five teams of astronomers have analyzed the data it returned to paint a picture of the outer boundary of the solar system.
"Potentially Hazardous" Asteroid Is Headed For Your Telescope
A potentially hazardous asteroid makes a flyby of Earth this Friday, offering amateurs with modest telescopes a chance to ride along.
Interstellar Comet Borisov "Indistinguishable" from Solar System Comets
The solar system's newest interstellar visitor, Comet 2I/Borisov, bears a striking resemblance to the icy population of the outer solar system.
Help Name Saturn’s 20 Newfound Moons
Astronomers have found 20 new moons circling Saturn — now you can help name them!
Work to Save NASA's "Mole" on Mars Continues
NASA engineers hope to use the scoop at the end of the lander's robotic arm to get the Insight lander's heat probe burrowing once again.
The Clouds of Venus Puzzle Scientists
Japan’s Akatsuki spacecraft has revealed some previously unknown dynamics in the Venusian atmosphere, but their origin is far from clear.
Video: Chasing Dust Devils
Scientists are flying instrument-laden drones through whirlwinds on Earth to better understand their counterparts on other worlds in the solar system.
When Will This Trickster Volcano Erupt?
Loki, a faraway volcanic feature on Jupiter’s moon Io, is acting up and planetary scientists want to know why.
Will Amateurs Be Able to See the New Interstellar Comet?
Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?
Planetary History Written in Saturn’s Rings
Saturn is subtly pulsing and oscillating — and those oscillations impose a pattern on its rings that could tell us about the planet’s history.
A Possible Solution to Mars’s Methane Problem
A small amount of seepage could explain conflicting measurements of methane in the Martian atmosphere.
Image Sleuth Spots "Churyumoon" Around Rosetta's Comet
A tiny, 4-meter fragment dubbed Churyumoon has been spotted orbiting Comet 67P Churyumov-Gerasimenko, which the Rosetta mission visited in 2014–2016.
Beta Pic's New Planet, Jupiter’s Fuzzy Core & An Ancient Star
Astronomers announce another planet around Beta Pictoris, simulations explain Jupiter's large and fuzzy core, and observations reveal an ancient star.
NASA Selects Final Four Asteroid Landing Sites for Osiris-REX
The Osiris-REX spacecraft will sample one of four sites on the asteroid Bennu in July 2020.
New Images from China's Chang'e 4 as Eighth Lunar Day Ends
China’s Chang’e 4 mission is continuing its science and exploration work on the farside of the Moon, having completed its eighth lunar day of activities on Wednesday.
Fireball May Have Dropped Meteorites in Ontario
A lime-green meteor as bright as the full Moon streaked across Canadian skies on July 24th and may have delivered free samples from the asteroid belt.
