SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
PBS
Venus May Have Life!
If you rank the most habitable places in our solar system Venus lands pretty low, with surface temperatures hot enough to melt lead and sulphuric acid rain. And yet it may have just jumped to the front of the pack. In fact, we may have...
Be Smart
Is There Life on Earth?
If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.
SciShow
A Giant Underground Lake on Mars! | Breaking News
Scientists have discovered an underground lake of liquid water on Mars! While this isn’t itself evidence for life on Mars, it does raise some new possibilities.
SciShow
Astrobiology & the Search for Alien Life
Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?
SciShow
Exotic Chemistry: World's Oldest Water and The Rarest Element
This week's SciShow news brings you discoveries involving two of the most exotic substances on Earth - the world's rarest element and the world's oldest water. Two great tastes that taste great together? Stay tuned to find out.
TED-Ed
TED-Ed: Chris Anderson (TED): Questions no one knows the answers to
TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?
TED Talks
Chris Anderson (TED): Questions no one knows the answers to
TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?
TED Talks
Penelope Boston: There might just be life on Mars
So the Mars Rovers didn't scoop up any alien lifeforms. Scientist Penelope Boston thinks there's a good chance -- a 25 to 50 percent chance, in fact -- that life might exist on Mars, deep inside the planet's caves. She details how we...
SciShow
Our Galaxy Could Be Full of Exoplanets with Oceans | SciShow News
Earlier this spring NASA announced a new research model that predicts that ocean worlds are far from rare, and our galaxy might be full of them. And a new study examines evidence that Pluto may have had an underground ocean all along!
SciShow
Astrobiology & the Search for Alien Life
Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?
SciShow
Maybe There's No Phosphine on Venus | SciShow News
Remember when astrophysicists thought they'd found signs of life on Venus? A different team re-crunched the numbers, and their results raised some questions about that claim. Also, a bunch of exoplanets are doing a really precise dance...
TED Talks
Alex Wissner-Gross: A new equation for intelligence
Is there an equation for intelligence? Yes. It's F = T ∇ Sτ. In a fascinating and informative talk, physicist and computer scientist Alex Wissner-Gross explains what in the world that means.
SciShow
Would Aliens Be Able to See Earth?
Scientists have worked out how likely it is that distant planets can see earth, and we are learning new ways to study the magnetic fields of galaxies.
TED Talks
Wendy Freedman: This telescope might show us the beginning of the universe
When and how did the universe begin? A global group of astronomers wants to answer that question by peering as far back in time as a large new telescope will let us see. Wendy Freedman headed the creation of the Giant Magellan Telescope,...
TED Talks
TED: 3 moons and a planet that could have alien life | James Green
Is there life beyond earth? Join NASA's director of planetary science James Green for a survey of the places in our solar system that are most likely to harbor alien life.
TED Talks
Freeman Dyson: Let's look for life in the outer solar system
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
TED Talks
TED: The story of 'Oumuamua, the first visitor from another star system | Karen J. Meech
In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star system. The interstellar comet -- a half-mile-long object eventually named `Oumuamua, from...
TED Talks
Seth Shostak: ET is (probably) out there -- get ready
SETI researcher Seth Shostak bets that we will find extraterrestrial life in the next twenty-four years, or he'll buy you a cup of coffee. He explains why new technologies and the laws of probability make the breakthrough so likely --...
TED Talks
TED: The most mysterious star in the universe | Tabetha Boyajian
Something massive, with roughly 1,000 times the area of earth, is blocking the light coming from a distant star known as KIC 8462852, and nobody is quite sure what it is. As astronomer Tabetha Boyajian investigated this perplexing...
SciShow
Mystery Solved: We Finally Know Why Betelgeuse Suddenly Faded | SciShow News
Our neighboring star Betelgeuse got noticeably dimmer a few months ago, and thanks to the Hubble telescope, we recently figured out what was going on. Also, the Arecibo Observatory in Puerto Rico suffered some damage this week.
SciShow
Could E.T. Really Find Us? | Compilation
Being the only observable intelligent life in the universe gets lonely sometimes, so it's no wonder we're trying to find something out there to phone home about.
SciShow
The Next Search for Alien Life, and Release the Cubesats!
SciShow Space explores the latest mission to search for extraterrestrial life, and the mission of two tiny satellites that aims to make space travel safer.
TED Talks
TED: How we'll find life on other planets | Aomawa Shields
Astronomer Aomawa Shields searches for clues that life might exist elsewhere in the universe by examining the atmospheres of distant exoplanets. When she isn't exploring the heavens, the classically trained actor (and TED Fellow) looks...