Planets

An artist's illustration of the planet K2-18b and another planet, K2-18c, that orbits closer to the parent star. Both planets orbit a red dwarf about 110 light-years from Earth in the constellation Leo.

Water Vapor Detected in the Atmosphere of an Exoplanet in the Habitable Zone

The planet K2-18b, about 110 light-years away, could have swirling clouds and falling rains of liquid water droplets

A natural color view of Titan and Saturn taken by NASA's Cassini spacecraft wide-angle camera on May 6, 2012, at a distance of approximately 483,000 miles (778,000 kilometers) from Titan.

Dragonfly Spacecraft to Scour the Sands of Titan for the Chemistry of Life

The NASA rotorcraft, resembling a large quadcopter drone, will fly through the orange clouds of the ocean moon in the outer solar system

An artist's depiction of Earth during the Archean Eon, from 4 to 2.5 billion years ago, when life consisted of only single-celled microbes with no nucleus (prokaryotes). How these primitive organisms first formed from chemical reactions remains one of the greatest mysteries of science.

Searching for the Key to Life's Beginnings

From exoplanets to chemical reactions, scientists inch closer to solving the great mystery of how life forms from inanimate matter

First Moon-Forming Disk Detected Swirling Around an Exoplanet

Telescope observations suggest that a cloud of gas and dust around a planet 370 light-years away may be coalescing into planet-sized moons

Dragonfly will explore dozens of locations across the icy moon

NASA’s Dragonfly Mission Will Fly Through the Clouds of Titan, Saturn’s Biggest Moon

Over the course of its initial 2.7-year mission exploring Titan, the dual-quadcopter will fly a combined total of more than 108 miles

Artist's rendering of the planets orbiting PDS 70.

Astronomers Snap a Rare Picture of Two Baby Planets

The Very Large Telescope imaged Planets PDS 70b and PDS 70c about 370 light years away creating a gap in the gas and dust disk around their star

One-Third of Exoplanets Could Be Water Worlds With Oceans Hundreds of Miles Deep

A new statistical analysis suggests seas hundreds of miles deep cover up to 35 percent of distant worlds

The SEIS instrument on the surface of Mars.

NASA Detects First 'Marsquake'

A 2 to 2.5 magnitude quake on the Red Planet is the first seismic activity detected outside the Earth and the Moon

A photographic plate of the 1919 total solar eclipse, taken by Andrew Claude de la Cherois Crommelin and Charles Rundle Davidson during an expedition to Sobral, Brazil. The 1919 eclipse was used by Arthur Eddington, who observed it from the island of Principe off the west coast of Africa, to provide the first experimental evidence of Einstein's theory of relativity.

What the Obsolete Art of Mapping the Skies on Glass Plates Can Still Teach Us

The first pictures of the sky were taken on glass photographic plates, and these treasured artifacts can still help scientists make discoveries today

2007 OR10 is the largest object in our solar system with out a name.

The Largest Unnamed Object in the Solar System Needs a Title—and You Can Help

2007 OR10 needs a snazzier moniker; the public can now choose between ‘Gonggong,’ ‘Holle’ and ‘Vili’

Raging Rivers May Have Washed Over Mars for Billions of Years

A study of 200 river systems shows the waterways persisted even while the atmosphere was disappearing and the Red Planet was drying up

The most recent vortex on the left and the first one discovered in 1989 by Voyager 2.

There's a Dark and Stormy Vortex Brewing on Neptune

It is the sixth massive dark and stormy vortex found on the planet since 1989 and the only one astronomers have watched develop

An artist's concept of the Axel rover rappelling into a lunar pit.

NASA Considers a Rover Mission to Go Cave Diving on the Moon

The deep caverns and pits that dot the lunar surface could hold clues to the moon's history and perhaps provide shelter for future human exploration

NASA Releases Opportunity Rover's Final Panorama Photograph

The little Mars explorer was hit by a duststorm in June, 2018 and never recovered, but it did send back 354 images from on its final days

A mural titled "The Origin of Life on Earth" at NASA Ames Research Center. The mural depicts the formation of our planet and the conditions that led to the evolution of life.

Earth's Rock Record Could Reveal the Motions of Other Planets

Studying the layers of Earth's crust, scientists have created a "Geological Orrery" to measure planetary motions dating back hundreds of millions of years

Mars May Have Had a Planet-Wide System of Underground Lakes

A study of 24 craters shows they experienced the simultaneous rise and fall of groundwater, suggesting they were interconnected at one time

Using Landmine Detectors, Meteorite Hunt Turns Up 36 Space Rocks in Antarctica

The scientists had a hunch that more meteorites were hidden a foot below the ice—they were right

A mosaic of Mars images captured by the Viking Orbiter 1, which operated around the planet from 1976 to 1980. Valles Marineris, the largest canyon in the solar system, cuts across middle of the planet, stretching over 3,000 km long and up to 8 km deep.

With Opportunity Lost, NASA Confronts the Tenuous Future of Mars Exploration

Following decades of continuous flights to Mars, NASA is facing a shortage of missions

An artist's concept of the Mars Exploration Rover Opportunity superimposed on a photo of Victoria Crater, taken by the rover.

How NASA's Opportunity Rover Made Mars Part of Earth

After more than 15 years exploring the surface of Mars, the Opportunity rover has finally roved its last leg

That's so metal.

Planetary Smash-Up May Have Produced This Distant Iron Exoplanet

Computer simulations suggest Kepler 107c could have been formed when two rocky planets collided, stripping it down to its metal core

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