Space

On Monday June 11, astronomers announced the discovery of a new dwarf planet beyond the orbit of Neptune. Here are four others we already know about.

NASA via Wikimedia Commons // Public Domain

Four out of every five astronauts on long-term missions return to Earth with a condition called visual impairment intracranial pressure syndrome.

Hitomi Collaboration/JAXA, NASA, ESA, SRON, CSA

Japan's space agency, JAXA, lost contact with Hitomi in late March.

There are more than 500 movies and TV series in the satellite's collection.

It's the size of 30 football fields and has a detection range of 1000 light-years.

NASA Jet Propulsion Laboratory via YouTube

After a five-year journey, Juno will be ensnared by Jupiter's gravity and orbit the planet 33 times, then plunge beneath the clouds and disintegrate.

They say radishes, peas, rye, and tomatoes grown in ersatz Martian soil are suitable for human consumption.

If you want to calculate how gravity shapes the universe, then Einstein’s got the equations for you—he set them down 100 years ago in his masterpiece, the general theory of relativity. But there’s a catch: Those equations are notoriously difficult to solv

Candidates have to be exceptionally smart, experienced, and healthy. They also have to be super nice, because, well, Canada.

“No one has seen anything like this one before.”

Some of Sir Isaac Newton's achievements are readily filed under G for genius; others simply reveal his complex and all-too-human personality.

According to a new global survey, light-polluted skies are common in much of the world.

In 2017, the "path of totality" of a solar eclipse will run exclusively—and entirely—across U.S. soil for the first time since the ink dried on the Declaration of Independence.

Astrobiologist Cyprien Verseux is one of six researchers living in a Mars simulation colony for a year.

Its rings will appear just about as wide as is possible when seen from our pale blue dot.

Boldly go where no fan has gone before.

It's not often that you can tilt your neck a mere 15 degrees and learn something new, so here is your big chance.

Scientists say it was probably bigger than the one that likely killed the dinosaurs.

...it's also been a valuable source for scientific research and discovery for four decades.

NASA, ESA, and AURA CalTech // Public Domain

The fragment makes mention of the time of night as well as the position of the Moon and the Pleiades.

The spacecraft reached the major milestone after 17 years in space.

The goal: to design a stylish new space suit for the 21st century.

These "human computers" were an integral part of the early space program, but were largely unheralded.

Watch stars rain down from the sky in the best meteor shower this month—and if you live in the Southern Hemisphere, the best meteor shower of the year.

4 Planets in Our Solar System You've Probably Never Heard Of

Space Travel May Squeeze Astronauts’ Eyeballs

Take a Look at the Last Image Taken by Japan’s Hitomi Satellite Before It Died

The International Space Station's Media Library Is Stocked With Sci-Fi Movies

China Built the World's Largest Radio Telescope to Search For Aliens

The Juno Mission: NASA Celebrates Independence Day by Invading Jupiter

Vegetables Grown on Mars Will Be Safe to Eat, Scientists Say

Scientists Set to Model the Universe With 'Full' Theory of General Relativity

The Canadian Space Agency Is Hiring

Swedish Space Rock Is a New Type of Meteorite

14 Fascinating Facts About Isaac Newton

One-Third of Humanity Can't See the Milky Way Anymore

How Scientists Are Preparing for the First-Ever 'All-American' Eclipse

5 Challenges Scientists Working on Mars Will Face

Look Up Tonight! You Can Spot Saturn's Rings With a Telescope

Celebrate Star Trek's 50th Anniversary by Flying in Zero Gravity With George Takei

Look Up! 'Once in a Blue Moon' Happens for Real on May 21

A Massive Asteroid Slammed into Earth 3.5 Billion Years Ago

This NASA Satellite From the ‘70s Looks Like a Space-Bound Disco Ball

Scientists Use Star Maps to Date Sappho’s 'Midnight Poem'

The International Space Station Has Made Its 100,000th Orbit

SpaceX Taps Hollywood Costume Designer to Create Its Space Suits

Meet the Unsung "Rocket Girls" Who Helped Get NASA Into Space

Look Up! A Pre-Dawn Meteor Shower Arrives for Cinco de Mayo