SciShow
Mercury Is So Hot, It’s Making Ice
Scientists first saw patches of ice on Mercury 20 years ago, and that discovery raised a lot of questions: How could ice survive on one of the solar system’s hottest planets, and how did it get there in the first place?
TED Talks
TED: We could kick-start life on another planet. Should we? | Betül Kaçar
Life makes our planet an incredibly exotic place compared to the rest of the known universe, says astrobiologist Betül Kaçar, whose research uses statistics and mathematical models to simulate ancient environments and gather insights...
SciShow
Who Melted the Earth
Hank clarifies, corrects, and generally straightens out the origins of the terrific heat inside the Earth. It's not only from the collisions and pressure that date back to Earth's formation, it also involves the transport of heavier...
SciShow
Why Everyone Was Watching Tabby's Star Last Weekend
Tabby's star is at it again. Could it be aliens this time!? Also, astronomers have discovered a planet with the density of styrofoam!
SciShow
New Dwarf Planet (Maybe) Discovered
Back in 2014, an international team of astronomers was taking pictures of distant galaxies, when they noticed a dot moving across their images. Could it be Planet Nine?
SciShow
Dry New Planets and The Search for Dirty Aliens
SciShow Space shares the latest news from space research, including the first definitive detection of water on an exoplanet, and a new theory for how we should search for alien civilizations.
SciShow
Rogue Planets, Loners of the Universe
Meet one of the newest celestial bodies to be discovered: rogue planets, worlds that hurtle around the galaxy without any parent star. Caitlin Hofmeister explains how we found them, and where we think they might have come from.
SciShow
Future Space News of 2015: Destination Ceres and Pluto!
SciShow Space brings you NEWS FROM THE FUTURE, with details about the space missions to look forward to in 2015.
SciShow
Asteroids, Exomoons, and a Crash on the Moon
Caitlin serves up the latest in space-science news, this week featuring developments in missions dedicated to sampling asteroids, detecting exomoons, and solving the mysteries of the moon.
SciShow
5 Things We Learned About Climate Change
Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.
TED-Ed
TED-ED: A guide to the energy of the Earth - Joshua M. Sneideman
Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our...
Bozeman Science
Mitochondria: The Powerhouse of the Cell
In this video Paul Andersen explains how the mitochondria generates energy for the cell through aerobic respiration. He also explains how research into the organelle has shown its importance in eukaryotic evolution.
Crash Course
Environmental Econ: Crash Course Economics
So, if economics is about choices and how we use our resources, econ probably has a lot to say about the environment, right? Right! In simple terms, pollution is just a market failure. The market is producing more pollution than society...
TED Talks
TED: The search for microscopic aliens | Sarah Rugheimer
Astrophysicist and TED Fellow Sarah Rugheimer searches for aliens -- but not the cartoony green kind. She's looking for extraterrestrial microbes by studying how these single-celled organisms emit gases, which could reveal evidence of...
SciShow
The United Nations' First Space Mission
With a recent announcement from the UN Office for Outer Space Affairs, the doors to space research have been opened for many new countries.
SciShow
Minerva and the New Hunt for Alien Worlds
SciShow explains the science of detecting exoplanets -- planets in orbit around distant stars -- and how a new observatory being built in California may open up whole new worlds to us, literally!
SciShow
SpaceX's Awesome New Craft, and 'Mega-Earth' Discovered
SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.
SciShow
Cassini’s Last Hurrah & Hints About Saturn’s Rings
Cassini is about to take its final dive into the rings of Saturn, and scientists are still debating the status of water on our moon.
SciShow
Life Beyond Neptune The Kuiper Belt & Scattered Disc
The solar system is enormous, and includes the Kuiper Belt and the Scattered Disc, both of which turn out to be really weird in some pretty awesome ways.
TED Talks
Lucy Cooke: Sloths! The strange life of the world's slowest mammal
Sloths have been on this planet for more than 40 million years. What's the secret to their success? In a hilarious talk, zoologist Lucy Cooke takes us inside the strange life of the world's slowest mammal and shows what we can learn from...
SciShow
3 Times We Intentionally Crashed into Other Worlds
Most of the time, it’s not great when an expensive spacecraft slams into an extraterrestrial body. But now and then mission control intentionally crashes a spacecraft for science!
TED Talks
TED: How we found hundreds of potential Earth-like planets | Dimitar Sasselov
(NOTE: This talk was given in 2010, and this field of science has developed quickly since then. Read "Criticisms & updates" below for more details.) Astronomer Dimitar Sasselov and his colleagues search for Earth-like planets that may,...
TED Talks
TED: Swim with the giant sunfish | Tierney Thys
Marine biologist Tierney Thys asks us to step into the water to visit the world of the Mola mola, or giant ocean sunfish. Basking, eating jellyfish and getting massages, this behemoth offers clues to life in the open sea.
TED Talks
Humanity's planet-shaping powers -- and what they mean for the future | Achim Steiner
Humanity now has incredible power to shape nature and the Earth: the power to destroy and the power to repair, says sustainability champion and UNDP Administrator Achim Steiner. In this action-oriented talk, Steiner shows how this power...