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Map of ancient volcano on Mars

Solar System

Giant Ancient Volcano Discovered on Mars

Scientists have identified a colossal volcano on Mars using satellite imagery. It was undetected for decades due to extensive erosion.

Phobos over Mars

Solar System

Icy Impactor Might Explain the Formation of Mars’s Moons

In a new study, scientists suggest an impact with a giant icy object could explain the formation of Mars's moons, Phobos and Deimos.

Ginny

Space Missions

NASA Ends Mars Ingenuity Helicopter Mission

NASA’s ground-breaking Ingenuity helicopter, part of the Perseverance mission, comes to a rest on the Red Planet.

Diagram of buried polygon-shaped regions

Solar System

Buried Polygons on Mars Point to “Stark Environmental Transition”

Polygons buried beneath the surface of Mars indicate an abrupt transition in the planet's early history.

Solar System

Marsquake Reveals Molten Layer Above Martian Core

An impact far from NASA's Insight lander on Mars set off seismic waves that revealed new details about the Martian interior.

Tracing mud cracks on Mars

Solar System

What Mud Cracks Mean for Life on Mars

Mud cracks are evidence for sustained wet-dry cycles on ancient Mars, which might have provided conditions amenable to life (with caveats).

Maaz

Solar System

Perseverance Finds Complex Organics (Not Life) on Mars

NASA's Perseverance has sniffed 10 rock samples and found signatures of organic molecules, a sign of a complex geochemical past.

Deimos, with Mars in the background

Solar System

The Moon Deimos Might Be a Piece of Mars

Surprising new results from the United Arab Emirates' Hope probe call the origin of Mars's smaller moon into question.

Dust devil

Solar System

Listen to a Martian Dust Devil

The Perseverance rover on Mars has recorded a dust devil using its microphone, providing unprecedented data about these whirlwinds.

Mars Occultation December 2022 Sky Scene

Mars

See Bright Mars Wink Out Behind the Moon

The night of December 7–8 will be an exciting one for fans of the Red Planet. Not only will Mars be at opposition, but the full Moon will blot it out of the sky for many locations on Earth.

Impact

Solar System

NASA Lander and Orbiter See (and Feel) New Mars Impacts

NASA's Mars Insight lander and Mars Reconnaissance Orbiter have witnessed two fresh new planet-probing impacts.

Perseverance selfie at Skinner Ridge

Solar System

Perseverance Finds Ancient Habitable Conditions on Mars

The mission team has reported results from Perseverance's study of the rocks deposited by the river that once flowed into Jezero Crater.

Percy

Astronomy in Space with David Dickinson

Perseverance Watches Wild Winds on Mars

NASA’s Perseverance rover is recording the windy weather in Jezero Crater, chronicling its role in making the Red Planet dusty.

Space Missions

Mission Update: Mars and the Moon

Mission teams presenting at this week's Lunar and Planetary Science Conference provided updates on the Perseverance and Zhurong rovers at Mars, Chang'e 5's lunar sample return, and more.

View of Gale Crater from top of pediment

Solar System

Evidence Hints at Ancient Life on Mars

Scientists have found a chemical signature that hints at ancient life on Mars. But other possible explanations remain.

Labyrinth on western end of Valles Marineris, by Mariner 9

Space Missions

Mariner 9: The Martian Semicentennial

A half century ago, Mariner 9 — our first orbiter at another planet — showed us the real Mars.

Arabia Terra from orbit

Solar System

Mars Hosted Supervolcanoes in the Ancient Past

Scientists have found massive ash deposits that formed over millions of years of volcanic super-eruptions, the first evidence for such explosive activity on Mars.

ESCAPADE

Astronomy in Space with David Dickinson

ESCAPADE Blue and Gold Orbiters Head to Mars in 2024

A pair of spacecraft will head to Mars in 2024 as the ESCAPADE mission, to study the Martian space weather environment.

Mars Reconnaissance Orbiter over Nilosyrtis Mensae (art)

Solar System

Discovery of a Recent Martian Mudslide

A geologically recent landslide on Mars appears like mudslides on Earth — but it would have required water during a time when Mars was expected to be dry.

First Sample

Solar System

Mars Perseverance Rover Hits a Snag on First Sampling Attempt (Update)

Perseverance came up empty on its first attempt to grab and stow a sample of Mars.