Solar System

Based on the speed and trajectory of a newly detected object, astronomers believe it came to our solar system from beyond. This illustration shows the first known interstellar object to fly though our solar system, 'Oumuamua.

Astronomers Spot a Comet That Likely Came From a Different Solar System

After 'Oumuamua, the newly detected rock is just the second known object to visit from interstellar space

The moon lander Vikram in the foreground and the orbiter Chandrayaan- in the background during preparation of the spacecraft for launch, June 10, 2019.

India Locates Lost Lunar Lander but Struggles to Reestablish Contact

The Vikram spacecraft went offline minutes before it was scheduled to touch down near the south pole of the moon

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

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

Photos Capture the Great South American Eclipse

On July 2, residents of Chile and Argentina witnessed the first total solar eclipse since August 2017

Though photons do not have mass, they do transfer momentum when they reflect off a reflective space sail, giving it a slight boost.

LightSail 2 Launches to Space to Soar on the Power of Sunshine

The Planetary Society's second solar sail will attempt to use sunlight to fly through space

Scientists Find a Tiny Speck of Comet Inside a Meteorite

The little fragment found in Antarctica was protected from the elements and preserves the chemical signature of the early solar system

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’

Exoplanet Core Orbiting a Dying Star May Help Astronomers Understand What Lies in Store for Our Solar System

It's likely the planetesimal orbiting a white dwarf 410 light years away was the core of a minor planet caught in its immense gravity

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

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

Artist’s impression of NASA’s New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019. With public input, the team has selected the nickname “Ultima Thule” for the object, which will be the most primitive and most distant world ever explored by spacecraft.

Ring in the New Year With NASA’s Most Distant Planetary Encounter in History

The New Horizons spacecraft is on final approach to the distant Kuiper Belt Object, Ultima Thule, and you can follow along live

An artist's conception of the view from Farout.

Meet Farout, the Solar System's Most Distant Minor Planet

Observations suggest the object is 300 miles in diameter, pinkish-red and 3.5 times as far away from the sun as Pluto

The Ten Best Science Books of 2018

These titles explore the wide-ranging implications of new discoveries and experiments, while grounding them in historical context

The color-enhanced image was created by citizen scientists Gerald Eichstädt and Seán Doran using data from the spacecraft's JunoCam imager, according to NASA.

Juno's Latest Photo of Jupiter Is Breathtaking

The image, processed from JunoCam's raw data, shows storms and winds in the planet's Northern Temperate Belt

Water found deep within the planet's interior contains different ratio of heavy hydrogen isotopes and normal hydrogen, pointing toward separate point of origin

Where Did Earth’s Water Originate? Solar Nebula, Study Suggests

Researchers say the hydrogen contained in these clouds of gas and dust contributed to formation of one out of every 100 water molecules found on Earth

Well then what would we call a cow that jumps over a moonmoon?

If a Moon Has a Moon, Is Its Moon Called a Moonmoon?

A new study suggests it's possible some moons could have moons and the internet wants to give them a name—but scientists have yet to actually find one

Saturn's Rings Rain Organic Compounds Into Its Atmosphere

The Cassini probe's final flybys show that 22,000 pounds of material per second drops from the rings into the planet's ionosphere

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