Solar System

Part of the set-up for the experiment: ordinary ice and steel balls placed in a jar

Scientists Have Created a New Type of Ice

It looks like a white powder and has nearly the same density as liquid water

An orbital diagram shows that 2023 BU's trajectory (in red) passed closer to Earth on January 26, 2023 than the orbits of geosynchronous satellites (in green). 

An Asteroid Just Passed Very Close to Earth

The truck-sized space rock came within 2,200 miles of our planet, closer than some satellites

The 16.7-pound meteorite is thought to be an ordinary chondrite, the most common kind of space rock.

Researchers Find Rare 17-Pound Meteorite in Antarctic Ice

The polar desert is a prime zone for preserving space rocks dating back to our early solar system

This illustration shows the exoplanet LHS 475 b and its red dwarf host star, located 41 light-years away from Earth in the constellation Octans.

James Webb Telescope Confirms the Existence of Its First Exoplanet

The high-tech observatory is helping to study the rocky, Earth-sized world that's 41 light-years away

Frost-capped sand dunes near Mars's north pole, captured by the Mars Reconnaissance Orbiter two days after the planet's winter solstice

See the Chilling Beauty of Winter on Mars

NASA images reveal frost, geysers and intricate frozen patterns on the Red Planet

Kepler-1658b was the first exoplanet discovered by NASA’s Kepler Space Telescope in 2009.

This Exoplanet Is Doomed to Be Obliterated by a Star

Kepler-1658b is slowly spiraling toward a fiery demise

NASA's Perseverance rover takes a selfie on September 10, 2021.

Listen to the Sound of a Dust Devil Swirling Around on Mars

For the first time, scientists have recorded the noise of a Martian dust storm using a microphone on NASA's Perseverance rover

James Webb's new image of L1527

James Webb Captures a Protostar in a Fiery Hourglass

The very young star is a window into our own solar system's past

An artist's rendition of an asteroid. 

Three Near-Earth Asteroids Were Hiding in the Sun’s Glare

One of them, which measures nearly one mile wide, might cross paths with Earth in the distant future

A cluster of galaxies that Slayton created in Minecraft

This 18-Year-Old Recreated the ‘Entire Universe’ in Minecraft

From the video game's blocks, he built galaxies, a nebula, a black hole and the solar system

A picture of Saturn's moon Enceladus, with Saturn in the background, taken by the Cassini spacecraft.

A Moon of Saturn May Be More Habitable Than Expected

With the prediction of phosphorus in its oceans, Enceladus has become an even more promising candidate for hosting life

An image of Neptune captured by the Webb telescope's Near-Infrared Camera. 

Webb Telescope's Images of Neptune Showcase Its Rings and Moons

They’re the clearest pictures of the distant planet's rings in over three decades

James Webb Space Telescope's first images of Mars, captured by its Near-Infrared Camera (right), and a reference map (left)

James Webb Captures Its First Images of Mars

With some adjustments, the highly sensitive telescope could successfully observe the bright Red Planet

A photo of Saturn taken by NASA's Voyager 1 space probe from a distance of 34 million kilometers in 1980. 

What Caused Saturn’s Rings and Tilt? Perhaps the Destruction of a Moon

Scientists propose that about 160 million years ago, the moon was torn apart, creating the planet’s iconic rings

Members of NASA's Mars 2020 project lower the oxygen-producing instrument, called MOXIE, into the Perseverance Mars Rover in March 2019.

A Lunchbox-Sized Device Is Making Oxygen on Mars

By scaling up the technology, NASA could allow future astronauts to breathe on the Red Planet

James Webb Space Telescope composite image of Jupiter 

See the James Webb Space Telescope’s Stunning New Images of Jupiter

Its Near-Infrared Camera captured auroras, moons and the Great Red Spot

View from above of a pit crater in an area of the Moon called Mare Tranquillitatis, or “Sea of Tranquility”.

The Revolution in Moon Exploration

Lunar Pits Maintain Surprisingly Comfy Temperatures

Scientists found caves under the surface of the Moon that stay around 63 degrees Fahrenheit day and night

Uranus (left) and Neptune (right)

Why Neptune Appears Bluer Than Its Cousin Uranus

Though the solar system’s two outermost planets are very similar, their color is a puzzling difference

Pluto's icy volcanic region, with possible past eruptions marked in blue.

Pluto's Hidden Ice Volcanoes Hint at the Possibility of Life

The discovery suggests the dwarf planet may be harboring a subsurface liquid ocean

SpaceX’s Falcon 9 rocket lifted off Feb. 3, 2022 carrying a batch of 49 Starlink satellites.

Solar Storm Knocks 40 SpaceX Satellites Out of Orbit

A solar outburst is increasing atmospheric drag and pulling the satellites back down to Earth

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