Planets
Unusual Exoplanet Might Be Regrowing Its Atmosphere
Remnants of the first atmosphere trapped under the planet’s thin crust might escape through volcanic eruptions
A Rare Astronomical Phenomenon of Three Planets Aligning Occurs This Week
Jupiter, Saturn, and Mercury are visible in the pre-dawn sky this week, along with a crescent moon
NASA's Parker Solar Probe Snaps Luminous Photo of Venus
The image revealed unknown capabilities of the imaging instrument, WISPR, aboard the Parker Solar Probe and more insight into the planet's atmosphere
Dust Storms on Mars May Sparkle and Glow at Night
Martian dust clouds may create miniature statically-charged sparks, which could help researchers further understand the planet's atmosphere
Is There Life on Mars?
Smithsonian scientist John Grant says we have to know what to look for and where to go on the planet for evidence
Will We Ever Send Humans to Venus?
You’ve got questions. We’ve got experts
New Study Knocks Theory of Planet Nine's Existence Out of Orbit
It was previously thought the object's gravitational pull was responsible for the strange orbits of six dwarf planets that whiz beyond Neptune
Meet Farfarout, the Most Distant Object in the Solar System
The new planetoid unseats Farout, which held the title for about two years
Why a Smithsonian Researcher Is Tracking the Wind on Mars
When Perseverance lands, Mariah Baker will collect data that will prepare the way for crewed missions to the Red Planet
NASA's Helicopter Ingenuity Will Attempt the First Flight on Mars
If the craft succeeds, it will provide crucial information for exploring the other planets by air
Balancing Homework and A.P. Classes, These High Schoolers Discovered Four Exoplanets
Thanks to a Harvard-Smithsonian mentoring program, high school students Kartik Pinglé and Jasmine Wright helped discover new worlds
Astronomers Discover Mysterious Radio Signal From Proxima Centauri
Scientists searching for aliens are trying to understand the signal’s origins
The Ten Best Science Books of 2020
New titles explore the mysterious lives of eels, the science of fear and our connections to the stars
How NASA’s New Telescope Will Help Astronomers Discover Free-Floating Worlds
The Nancy Grace Roman Space Telescope will be able to detect small, distant planets without stars
This Giant Planet Is Orbiting a Dead Star
In a first, NASA astronomers have discovered a planet orbiting a 'dead' white dwarf star
In Clouds on Venus, New Potential for Microbial Life
Astronomers have detected a chemical in Venus’ atmosphere that signifies life on Earth. Could it mean the same on Venus?
NASA Mission Shows Dwarf Planet Ceres Is Geologically Active
Seven studies of data from the Dawn spacecraft’s final orbit makes the case for liquid under the dwarf planet's surface
The Forecast on Jupiter Is Cloudy With a Chance of 'Mushballs'
New research describes the gas giant's wild weather
Here Are Three Things the Perseverence Rover Will Do When It Gets to Mars
NASA's newest space robot will build on the goals of previous missions to find out whether life ever existed on the Red Planet
See Two Giant Exoplanets Orbit a Distant Star in This Rare Image
Researchers used the Very Large Telescope in Chile to capture the image
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