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Space

Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.

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7 Eye-catching Facts About the Bright Star Vega

Even if you've never looked through a telescope, you've probably seen Vega, one of the brightest stars in our galaxy. In fact, thousands of years ago, Vega was our North Pole star, and will be again in the future.

The Orionid Meteor Shower Is Back — Here's What You Need to Know

Every autumn, Earth passes through a stream of debris left by Halley's comet, resulting in nighttime meteor showers in mid-October. Best time this year is Oct. 21-22.

Top 10 Moments in Space Bathroom History

When you think about space travel, you probably don't take the time to wonder how astronauts go to the bathroom. However, the annals of aeronautic history abound with space bathroom tales. Here are 10 of our favorites.

How Long Does the Once-dimming Star Betelgeuse Have Left?

Star-gazers gasped when they saw how much Betelgeuse dimmed in 2019 and the reason wasn't clear. Even though it's back up to full strength, how long will it be before it explodes? We haven't seen a supernova in over 400 years.

Does the Real Element 115 Have a Connection With UFOs?

For decades Bob Lazar talked about a mysterious element 115 that supposedly could power alien spacecraft. People thought he was a nut but scientists discovered element 115 in 2003. Was there any connection?

SpaceX Launches 59 Satellites Into Space as Part of StarLink Project

Other companies, like Amazon and Telesat, are planning to emulate StarLink's model, meaning there could soon be as many as 50,000 satellites, mostly for the purpose of internet service, floating around in space.

The Perseid Meteor Shower Is Back — Here's What You Need to Know

It's a celestial gift in the middle of August. Just look up for a spectacular sight.

NASA's Perseverance Rover to Search for Signs of Ancient Martian Life

The Perseverance rover will explore Mars' Jezero Crater, gathering rock samples which may prove that life once existed on the red planet.

How to See NEOWISE, the First Visible Comet in Decades

Comet NEOWISE comes by only once every 6,800 years. But it will be visible to anyone with binoculars or even to the naked eye. Here's how to spot this rare event.

Astronomers Tell You How and Where to Best View Meteor Showers

Watching meteor showers can be a spectacular sight. We talked to some astronomy experts on how to improve your meteor-viewing experience.

Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas

Astronomers used Hubble's full range of imaging to dissect wild 'fireworks' happening in two nearby young planetary nebulas.

How Old Is Earth and How Did Scientists Figure It Out?

In 1953, CalTech geochemist Clair Patterson came up with an estimate for Earth's age that still holds today.

Uranus: The Planet on a Very Tilted Axis

Uranus is the seventh planet from the sun and sits on an axial plane tilted at a jaw-dropping 97.7-degree angle. And yes, Uranus does actually stink.

NASA and SpaceX Set to Make History With Manned Space Launch

For the first time since 2011, NASA will launch astronauts into space from U.S. soil. It will also be the first time ever a private company will get them there.

This Star Survived Being Swallowed by a Black Hole

A new kind of survival story: Scientists discovered a star that came near a black hole and lived to tell the tale – at least temporarily.

New Kaleidoscopic Map Details the Geology of the Moon 

The moon has seen a lot in its 4.5 million years of life, and a detailed new geologic map serves as testament.

The Lyrid Meteor Shower Is Back — Here's What You Need to Know

Every April, the Lyrid meteor shower fills the sky with shooting stars. Here's how to see them.

Space Lettuce Is Out of This World Good

Lettuce has key nutrients that give both astronauts and Earth-dwellers alike a physical and psychological boost. And the lettuce grown in space is no less nutritious than the Earth-bound variety.

NASA's Astronaut Beach House Is a Little-known Gem of Space History

NASA's historic Beach House on Cape Canaveral is the last place many astronauts visit before they blast off into space. Today it's full of mission memories and NASA artifacts.

NASA's Chief Sniffer's Job Is to Keep 'Stinky' Situations Out of Space

Nobody's nose knows better than NASA's George Aldrich. He's the longest-serving member of the space agency's odor panel, which basically sniffs and smells everything that goes up into space.

Saturn: Giant Rings and a Moon Full of Space Lakes

Saturn is the sixth planet from the sun and the second largest planet in the solar system. It has an amazing ring system and 82 moons! And did we mention that it's an oblong world that appears squished looking?

Felicette, the First Feline in Space, Finally Gets Her Due

In the early days of the space race, several animals went into orbit, including dogs, chimps and one intrepid cat. Who was this forgotten feline from the French space program?

New Solar Orbiter Will Get the First Glimpse of the Sun's Poles

NASA and the European Space Agency's new Solar Orbiter will travel as close as 26 million miles to the sun to get the first glimpses of its north and south poles.

Neptune: An Ice Giant With Supersonic Winds

Neptune is the eighth planet from the sun, and one of the coldest. It also has supersonic winds that are the fastest in the solar system.

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