web analytics

Tag: Extraterrestial Life

Hydrogen found in plumes on Saturn’s moon Enceladus

Science Magazine explains the importance of finding hydrogen in the plumes of Enceladus. It is a sign of ongoing reactions on the floor of a probable subsurface alien sea and such chemistry provides energy for microbial life on Earth.  

PBS: | Space Time | Are We Alone? Galactic Civilization Challenge

The Drake Equation tells us the likelihood that there are other advanced technological civilizations waiting for us among the stars. In this episode of Space Time we challenge you to use the Drake Equation to help us determine how near or far these alien races may be. Everything we’ve learned about our universe tells us …

Continue reading

PBS: Space Time | Life on Europa?

The Hubble Telescope found more evidence of vast plumes of water bursting through the icy surface of Jupiter’s moon Europa. What does this tell us about the potential for life on Europa? New findings have increased the likelihood that there is a vast ocean lying under the surface of Europa. Jupiter’s moon is emerging as …

Continue reading

TED: 3 moons and a planet that could have alien life | James Green

Is there life beyond Earth in the solar system? NASA director of planetary science James Green says we don’t know yet, but that we’re “hot on the pursuit” and will answer that question in 10 years. It’s all about the ingredients needed for life: liquid water, energy and organic material. So when we look out …

Continue reading

TED: What a planet needs to sustain life | Dave Brain

“Venus is too hot, Mars is too cold, and Earth is just right,” says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life — and why humanity may just be in the right place at the right time …

Continue reading

SETI Institute: The Search for Life Beyond Earth and Science of the SETI Institute – Bill Diamond

The longest recorded case of hiccups lasted for 68 years … and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these ‘hics’ in the first place? John Cameron takes us into the diaphragm …

Continue reading

TED Ed: Should we be looking for life elsewhere in the universe? – Aomawa Shields

As the number of “potentially habitable” planets that astronomers find continues to rise, we seem ever closer to answering the question, “Are we alone in the universe?” But should we be looking for life elsewhere? If we were to find life in one of these worlds, should we try to contact any beings who may …

Continue reading

NASA: Office of Planetary Protection

The mission of the Office of Planetary Protection is to promote the responsible exploration of the solar system by implementing and developing efforts that protect the science, explored environments, and Earth. The objectives of planetary protection are several-fold and include: Preserving our ability to study other worlds as they exist in their natural states; avoiding …

Continue reading

SETI Institute: When Will We Find Life Beyond Earth?

SETI Institute Panelists: Nathalie Cabrol, Director of the Carl Sagan Center Seth Shostak, Senior Astronomer Mark Showalter, Senior Research Scientist Fergal Mullaly, Senior Research Scientist Hosted by Bill Diamond, President and CEO of the SETI Institute Is this the generation that will discover extraterrestrial life? Some scientists have opined that we’ll find other living beings …

Continue reading

Silicon Valley Astronomy Lectures: Innumerable Globes Like This One: The Search for Life Beyond the Solar System

Dr. Tori Hoehler (NASA Ames Research Ctr.) Our Galaxy probably hosts billions of planetary systems. But how many of those globes are like the Earth and how can we determine whether life has taken hold there, too? In this talk, Dr. Hoehler discusses the science of searching for life beyond our immediate neighborhood, and how …

Continue reading

NASA: The Search for Another Earth

A Nov. 5 NASA science update highlighted data from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission that has determined the present rate at which Mars’ atmosphere is losing gas to space, via stripping by the solar wind. This loss of gas to space appears to have played a key role in the transition of …

Continue reading

NASA Jet Propulsion Laboratory: NASA to Sample Alien Ocean

NASA’s Cassini spacecraft will sample an extraterrestrial ocean on Wednesday, Oct. 28, when it flies directly through a plume of icy spray coming from Saturn’s moon Enceladus. The agency held a news teleconference to discuss plans for and anticipated science results from the historic flyby. The teleconference participants are: — Curt Niebur, Cassini program scientist …

Continue reading

Big Think: Bill Nye | Are We Actually Aliens?

“Hey Bill Nye, How Will We React to Extraterrestrials?” Such a question assumes we’d be able to contact aliens should we find them. Bill’s not entirely sure we’ll be able to.  

Gresham College: A Cosmic Perspective: Four Centuries of Expanding Horizons

The ‘curious and ingenious’ men who met at Gresham College and founded the Royal Society were fascinated by the Sun and Planets; the ‘fixed stars’ were a distant mystery to them. Over succeeding centuries, cosmic horizons have expanded – largely thanks to ever more powerful instruments. So has our understanding – though each advance brings …

Continue reading

Shopify: Do Aliens Exist? Seth Shostak on Space Exploration | FURTHER: Episode 1

FURTHER is an original series exploring the intersection of science and humanity. In the wake of Kepler-452b, Seth Shostak, Senior Astronomer at SETI Research weighs in on the potential for alien life. Producer: Marco Patricio & Vinny Verma Director: Vinny Verma & Stuart Langfield Animation: Stuart Langfield Additional Animation: Jennifer Mackie Original Composition: Jim Guthrie …

Continue reading

NASA: NASA 360 Talks – Titan Submarine

Ever want to explore the vast seas of Saturn’s mysterious moon Titan? The Titan Submarine could do it one day… and more.  

Kurz Gesagt: The Fermi Paradox 1/2 — Where Are All The Aliens?

The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in this gigantic and scary universe? Videos, …

Continue reading

Harvard University: Sarah Rugheimer | Sniffing the Air of Alien Earths

Are we alone in the universe? We’ve found hundreds of planets orbiting distant stars, including several dozen in their star’s habitable zone. But do any of them host life? To find out, we’ll need to look for telltale molecules like oxygen or methane. The next generation of telescopes may answer this question when they take …

Continue reading

NASA: Water in the Universe

This panel discussion from NASA headquarters focuses on recent discoveries of water and organics in our solar system, the role our sun plays in water-loss in neighboring planets, and our search for habitable worlds among the stars.  

University of Arizona: Guy J. Consolmagno | What is Life?

Guy J. Consolmagno, SJ, Planetary Scientist, Vatican Observatory Research Group. Throughout history, our definition of ‘life’ reflects our assumptions about how the Universe works – and why we ask the question. The ways different human cultures, ancient and current, have talked about life provide some sense of how we have defined life, and illustrate the …

Continue reading

1 2