Astronomy

NASA technicians and engineers place a tent over the folded-up James Webb Space Telescope to protect it from dust and dirt once it leaves the "clean room" and proceeds to acoustic and vibrational testing.

Watch Scientists Freeze and Shake the James Webb Space Telescope

The largest space telescope ever built has a few last tests to pass

An illustration of LHS 1140b orbiting its faint red star

Exoplanet Discovery Arrives in Time for New Telescope Technology

Astronomers call LHS 1140b one of the "best targets" for hunting liquid water with NASA's James Webb Space Telescope

A composite image of asteroid 2014 JO25 created with data from NASA's Goldstone Solar System Radar.

Watch a Large Asteroid Streak Through the Night Sky

Only a small telescope will be needed

Artist's rendering of what DeeDee may look like

Meet DeeDee, the Solar System's Newest Dwarf Planet (Maybe)

Though the tiny icy orb meets all the criteria, it has yet to receive the official designation

Scientists Capture Beautiful, Explosive Collision of Young Stars

The high-resolution images could hold clues about the early stages of star formation

The view from GJ 1132b

Atmosphere Detected Around an Earth(ish)-Sized Planet

Just 39 light years away, GJ 1132b is 1.4 times the Earth's radius and has an atmosphere that may be composed of steam or methane

What a ring around Mars may have looked like

Mars May Have Had a Ring in the Past and Could Have One in the Future

The red planet's moon may have broken apart into a ring of debris and reformed several times over the planet's history

Shortly after the announcement of the TRAPPIST-1 system, NASA crowdsourced its Twitter followers for possible planet names. The actual process of naming new planets, however, is a bit more involved.

How Do New Planets Get Their Names?

Sorry, Planet McPlanetface: Asteroids, moons and other celestial bodies go through a strict set of international naming guidelines

An artists rendering of how a solar sail might be powered by a radio beam from the surface of a planet

Are Fast Radio Bursts from Alien Spacecraft? It's Unlikely, but Possible

A new paper raises the (distant) possibility that the unusual high-energy bursts from the cosmos are from intergalactic ships

Pluto and its moon Charon

New Definition Would Make the Moon and Pluto Planets

A suggested update to the International Astronomical Union criteria would add over 100 planets to the solar system

Artists rendering of the suspected Planet 9

NASA Wants the Public to Log In to Help Find Planet 9

Citizen scientists can examine photos to help discover a new planet, which recent evidence suggests is hiding at the edge of the solar system

Cunitz was among the few who saw the truth in Johannes Kepler’s laws of planetary motion, which stated that planets moved in elliptical orbits around the sun. Here, a concept drawing of the Earth and moon in orbit around the sun.

The 17th-Century Lady Astronomer Who Took Measure of the Stars

Astronomer Maria Cunitz might not be such an anomaly, were other women given the same educational opportunities

The seven Earth-sized planets orbiting the dwarf star TRAPPIST-1.

Scientists Spot Seven Earth-Sized Planets Orbiting a Nearby Star

This newly discovered solar system presents the best opportunity yet to study potentially habitable worlds, NASA scientists report

An infrared image of 47 Tucanae, a dense globular cluster of stars located roughly 16,000 light years from Earth. A new study has predicted that a black hole lies at its center.

How Astrophysicists Found a Black Hole Where No One Else Could

A new method could help scientists peer inside universe's densest star clusters to find undiscovered black holes

Comet 45P/Honda-Mrkos-Pajdušáková during its last pass in 2011

A Comet, Eclipse and a Full Moon Will Light Up the Skies Friday Night

There will be a lot going on in the night sky, including a pass by the green comet 45P/Honda-Mrkos-Pajdušáková

Blazing Green Meteor Lights Up Midwest Skies

Early Monday morning, the fireball buzzed Wisconsin before breaking up over Lake Michigan

Astrolabes were astronomical calculating devices that did everything from tell the time to map the stars. This 16th century planispherical astrolabe stems from Morocco.

The Story of the Astrolabe, the Original Smartphone

Prosperous times likely paved the way for this multifunctional device, conceptual ancestor to the iPhone 7

Ancient Asteroid Collision Is Still Raining Space Rocks Down on Earth

A new study shows that today's meteorites considerably differ from those of the ancient past

Scientists Capture a "Sonic Boom" of Light

A new, ultra-fast camera recorded the phenomenon for the first time

An artist's impression of the gas being stripped away from spiral galaxy NGC 4921

Dark Matter Could Be Destroying Distant Galaxies

The mysterious substance may suck gas from the galaxies—and a gasless galaxy is a dead galaxy

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