Space

Six Planets are Retrograde, What Does that Mean for You?

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Spoiler alert: It's an optical illusion.

Saving Earth from Killer Asteroids

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Only about 40% of an estimated 25,000 near-Earth asteroids with the potential to destroy the planet have been detected. Scientist Dr. Ed Lu, along with his nonprofit B612 are working to create a way to detect the other 60%.

Large Rocket Debris Impacts Earth Off African Coast

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The fourth largest piece of space debris ever re-entered the earth's atmosphere yesterday and made a splash just off the coast of Africa. Narrowly missing some major landmarks in its path, this piece of a rocket could have caused some major damage.

What We Learn from the Lunar Surface

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Sure, the Moon is cool to look at, and fun to think about it. And it literally affects us here on the Earth: without the Moon, we’d be missing half our tides, and likely our planet’s rotation wouldn’t be as stable as it is.

Here Comes Artemis I (Rescheduled, again)

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NASA's long-awaited Artemis 1 uncrewed moon mission and next generation of spacecraft has been delayed for a second time. The rocket was initially scheduled to launch on Aug. 29, 2022, at 8:33 AM ET, but was delayed due to an issue with the engine bleed. Watch Space Launch Live: Artemis-1 on Science Channel to see the moment of liftoff. (Launch Date Pending) (Updated Sept 7, 11:00AM)

Curiosity Daily Podcast: Jet Lag Is Worse When You Travel East, Earth’s Wandering Poles, and Geminid Meteor Shower

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Learn when you can catch the Geminid Meteor Shower this month, and why it’s unique; why jet lag is worse when you travel east; and research into how the Earth’s wandering poles may have caused our ice age.

Chinese Space Debris is Heading for a Crash Landing on Earth

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Debris from a Chinese rocket is expected to fall into Earth in an uncontrollable re-entry this weekend. Although the probability of the debris landing in a populated area is low, questions are now being raised about the responsibility of different countries to correctly dispose of their space junk.

Curiosity Daily Podcast: Improve Your Self-Control, Replace Your Kitchen Sponge, and Naming Our Sun and Moon

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Learn about why the sun and moon don’t have names; why kitchen sponges are grosser than you think (and what to do about it); and how you can improve your self-control with the right feelings of guilt.

Curiosity Daily Podcast: Earth's Atmosphere May Be Rusting the Moon

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Learn why the concept of zero is newer than you might think, how you can worry more productively, and why the Earth’s atmosphere might be rusting the moon.

Space Debris Reaches Critical Levels Threatening Future Science

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Space junk is a growing threat to mankind’s future. Old rocket parts, failed satellites, and pieces from previous space missions form a cloud of 750,000 pieces of debris circling the Earth at high speed. Scientists say an urgent clean-up is needed to prevent an environmental crisis in space.

Hubble's Greatest Moments

Video | 05:05

Astrophysicist Paul. M. Sutter counts down his favorite moments made possible by Hubble in celebration of its 30th birthday.

Celebrating Hubble's Legacy

Video | 00:57

Since its launch in 1990, the Hubble Space Telescope has made more than 1.3 million observations in space! This telescope revolutionized astronomy and two Lowell Observatory astronomers tell us what it was like to work with HST.

That's a Big Black Hole!

Video | 01:43

Recently astronomers identified a black hole near a star called LB-1 and they found out it is 70 times the mass of the sun. How did the black hole get this big?

The Kuiper Belt

Video | 02:29

The kuiper belt is like the asteroid belt, only twice as wide, twice as tall and has at least twice as much stuff. The most famous member of the kuiper belt is the dwarf planet Pluto. The kuiper belt is suspected to host as many as 100,000 objects.

Space Out | How Giant Stars Die

Video | 01:53

Stars don't live forever and different stars go out with a bang in different ways. But how do giant stars die? It's all about core power.

Space's Deepest Secrets | Mars Perseverance

Video | 02:58

NASA's Perseverance is a six-wheeled robotic vehicle that will seek out life on Mars. Learn more about Perseverance's mission and don't miss Space's Deepest Secrets on February 18 at 10P ET on Science Channel.

Crew-2 Dock with ISS

Video | 01:03

Following liftoff on April 23rd at 5:49A ET, the Crew-2 astronauts traveled for about 23 hours in Endeavor, the SpaceX Crew Dragon spacecraft, to arrive safely at the International Space Station.

Crew-1 Launch Well Wishes

Video | 00:56

Actor Jim Belushi, Illusionist Zach King, Astronaut Chris Hadfield wish the NASA SpaceX Crew-1 astronauts good luck and a safe journey to the International Space Station.