Advertisement

Space Exploration

Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.

Advertisement

Learn More / Page 2

Tiny Satellite to Search Universe for Missing Matter

The tiny HaloSat probe will investigate a galactic halo of hot gas that may account for missing matter from the early universe.

How Close Can We Get to the Sun?

NASA is launching its new Parker Solar Probe and it will get closer to the sun than any other spacecraft in history. But could we actually touch the sun some day?

New NASA Satellite Is Hunting for Distant Planets

The last satellite — Kepler — discovered more than 2,300 confirmed planets. This one is expected to find even more.

Did the Apollo Missions Cause Warming on the Moon?

Scientists have used long-lost data tapes to show that Apollo astronauts probably caused the lunar surface to warm slightly during moon missions in the 1970s.

This Galaxy Doesn't Have Dark Matter, and That's Weird

It's called NGC1052-DF2, an ultra-diffuse galaxy located 65 million light-years away, and it might mean that we don't quite know how all galaxies form after all.

The Farthest Pictures From Earth Ever Taken

New Horizons takes photo from 3.79 billion miles (6.12 billion kilometers) away from Earth.

NASA's Kepler Mission Adds 100 Alien Worlds to Exoplanet Tally

The Kepler Space Telescope seeks out small habitable exoplanets that may share similar qualities to Earth.

Are Alien Worlds in TRAPPIST-1 More Habitable Than Thought?

TRAPPIST-1 is a mini version of our solar system, and astronomers have started figuring out what life on those exoplanets might be like.

Scientists Build Universe to Understand How Black Holes Kill Galaxies

Researchers threw the ingredients of the universe into a virtual box and let the known laws of physics bake a cosmic cake. The results are stunning.

Robotic Camera Can Scan Entire Sky in Just Three Nights

When fully operational in 2018, the Zwicky Transient Facility robotic camera will usher in the era of big data astronomy.

Monstrous Alien World Orbits Puny Red Dwarf Star

The very existence of this planetary heavyweight is puzzling astronomers.

Plutonium Shortage Could Cripple NASA's Deep Space Exploration

Despite increased production, a potential shortage of plutonium-238 fuel could jeopardize NASA's distant missions.

Gravitational Wave Detectors Discover Colliding Neutron Stars – and Uncover a Scientific Goldmine

Scientists are calling the collision they detected the "gift that will keep on giving."

Gravitational Waves Detected Again, But This Is the Best Yet

Ripples in space-time traveled 1.8 billion light-years to wash through our planet on Aug. 14. And this time not two but three detectors picked them up.

Drop the Doughnut: True Nature of Ravenous Supermassive Black Holes Revealed

It turns out that not all supermassive black holes are devouring matter at the same breakneck pace.

What Epic Space Missions Like Cassini Teach Us About Ourselves

Now that Cassini has met its end by plunging into Saturn, it's time to reflect on what we've learned over the decades.

Why Cassini Crashed: Protecting Icy Moon Enceladus at All Costs

The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.

Cassini Spacecraft Will End Its Mission by Crashing Into Saturn

In what's being called its 'grand finale,' the probe that's been orbiting Saturn for 13 years is taking its victory lap as it runs out of fuel.

Forty Years Later, Voyager 1 Is an Interstellar Trailblazer

Forty years and counting! Can Voyager 1 make it another 10?

Astronaut Pee and Yeast Could Revolutionize Our Future in Space

When you're packing for space, you have to think about how every single item onboard can be reused repeatedly. And that includes your pee.

Hottest Gas Giant Ever Discovered May Be Evaporating to Death

A newly discovered exoplanet is hotter than most stars, and may be possibly disintegrating because of it.

Deep in the Heart of Our Galaxy, Einstein Proved Right Again

Hints of Einstein's general relativity have been detected in a black hole "laboratory" smack in the center of the Milky Way.

Advertisement

Advertisement

Advertisement

Advertisement