Planets
Researchers Discover What May Be 37 Active Volcanoes on Venus
Scientists had long assumed Venus' volcanoes were dormant, but a new study suggests the inhospitable planet has 37 active volcanoes
How to See Five Planets in the Night Sky This Weekend
Mercury, Venus, Mars, Jupiter and Saturn will be visible during the early morning hours on July 19
Watch Colorful Sunsets on Distant Planets in This NASA Simulation
New models from a NASA scientist show what the sun’s setting might look like on Venus, Uranus and Mars
Bright Patches on Saturn’s Largest Moon Are Dried-Up Lake Beds
New study tackles a 20-year-old mystery about Titan, the second-largest moon in the solar system
Green Glow Detected in Mars' Atmosphere
The emerald light resembles the glow emitted in Earth's atmosphere
What Is Hotter Than the Sun?
Get the facts from Smithsonian geologist Liz Cottrell in the latest episode of "The Doctor Is In."
This Very Large Telescope Snapped an Exoplanet's Baby Photos
The fiery swirl looks like a "Doctor Who" title card, but it’s actually a photograph of a planet-in-progress 520 light year away
Check Out These New Images of Jupiter’s Stormy Surface
The images allowed scientists to map lightning strikes and revealed holes in the Great Red Spot
NASA and Lego Host ‘Build a Planet’ Challenge
The event was part of the company's week of #LetsBuildTogether challenges
This NASA Website Shows What the Hubble Telescope Saw on Your Birthday
The snazzy search is part of the telescope’s 30th anniversary celebration
Japan's Experiment to Calculate an Asteroid's Age Was a Smashing Success
The spacecraft Hayabusa2 hurled a four-pound copper ball toward the asteroid's surface at about 4,500 miles an hour to create an artificial crater
NASA Names Its Next Mars Rover 'Perseverance'
In an illustrated narrative, Perseverance—scheduled to launch this summer—searches for any signs of past microbial life on Mars
Where Will NASA Explore Next? Here Are the Four Shortlisted Missions
Targets include Venus, Jupiter’s moon Io and Neptune’s moon Triton
Spitzer Space Telescope Ends Operations After Scanning the Cosmos for 16 Years
Looking back on the groundbreaking discoveries of NASA's little telescope that could
Ten Celestial Events You Don't Want to Miss in 2020
Whether you are a telescope enthusiast or just want to step outside to enjoy the night sky, these are the phenomena to look out for this year
Meteorite Grains Are the Oldest Known Solid Material on Earth
The oldest dust sample, perhaps 7 billion years old, predates the formation of our planet and the sun
Astronomers Prepare a Mission Concept to Explore the Ice Giant Planets
NASA scientists imagined some innovative technologies that could enhance a future mission to Uranus or Neptune
Active Volcanoes May Still Exist on Venus
Scientists baked volcanic minerals in a box furnace to model how quickly lava ages on the planet’s harsh surface
The Top Ten Scientific Discoveries of the Decade
Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease
If Aliens Existed Elsewhere in the Universe, How Would They Behave?
In a new offering from Smithsonian Books, James Trefil and Michael Summers explore the life forms that might exist on a dizzying array of exoplanets
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