Proxima Centauri

We Worked Out What It Would Take To Wipe Out All Life On A Planet — And It’s Good News For Alien Hunters

The first exoplanet was spotted in 1988. Since then more than 3,000 planets have been found outside our solar system, and it’s thought that around …

Planets

The Next Step In The Search For Aliens Is A Huge Telescope And A Ton Of Math

Aliens could be hiding on almost any of the Milky Way’s roughly 100 billion planets, but so far, we haven’t been able to find them (dubious claims to …

Exoplanets

When Will The First Human Leave The Solar System?

Years, centuries or aeons?<p>One thousand years. That is the minimum length of time it would take us to get to the nearest star - Proxima Centauri - …

Solar System

Join the Hunt for Planets Around Our Closest Neighboring Stars - D-brief

By John Wenz | July 18, 2017 3:38 pm<p>CHRX 73 B is a 12-Jupiter-mass planet circling a red dwarf star like the stars under investigation by the Red …

Exoplanets

Researchers say tiny 'water bears' will survive until the sun explodes — and it's good news in the search for alien life

Plenty of threats could wipe humans out — including climate change, nuclear war, and disease. But after we (and all other animals on the planet ) go extinct, one tiny, miraculous organism will live on: the tardigrade.<p>Sometimes called water bears or moss piglets, tardigrades are usually about .5 …

Biology

Is This The Exoplanet Where Life Will First Be Found?

It is good time to be an exoplanet hunter… or just an exoplanet enthusiast for that matter! Every few weeks, it seems, new discoveries are being …

Exoplanets

What Would It Take to Completely Sterilize the Earth?

Three astrophysicists calculate that even huge asteroids and exploding stars probably wouldn’t wipe out all life.<p>The odds of finding life on another planet hinge on the answers to two big questions. First, how often does life arise? Second, once it does arise, how likely is it to persist without …

Science

Prospects For Life On Extrasolar Earths Look Even Bleaker

Extrasolar Earth-like planets in orbit around low mass red dwarf stars are likely to be stripped of most of their atmospheres by their parent stars’ stellar winds, say Harvard University researchers.<p>In a paper being published in the <i>International Journal of Astrobiology</i>, the authors note that when …

Exoplanets

Liberals train ire on super funds

Thursday, July 13, 2017<p>Liberals train ire on super funds<p>The Liberal Party is stepping up a campaign against industry superannuation funds, claiming …

Tony Abbott

NASA: A 60-Year Interstellar Trip Needs a "Self-Healing" Ship

Humans won't make it to other worlds without the help of intelligent machines.<p>Through the lens of science fiction works like <i>Star Trek</i>, one can easily …

Space Travel

Starshot: Inside the Ludicrous Plan to Send a Spacecraft to Our Neighbor Star

Hundreds of engineers and scientists have come together to shoot for the stars, literally.<p>As a species, we have made magnificent strides in robotic space exploration in the past decade. From exploring Pluto close-up for the first time to discovering our solar system is rife with underground liquid …

Space Travel

Our Nearest Neighboring Planet May Have a Sister World - D-brief

By John Wenz | July 6, 2017 2:11 pm<p>An artist’s impression of Proxima b. <i>(Credit: ESO)</i><p>Proxima Centauri b may not be alone out there.<p>The 2016 …

Exoplanets

Astronomers Observe Slowest Objects Ever Tracked Through Space

The supermassive black holes of galaxy 0402+379 are a couple of cosmic snails.<p>Binary black hole systems are rare enough, but the pair of supermassive black holes orbiting around each other at the center of the distant radio galaxy 0402+379 offer something even more anomalous. They're slow—really …

Universe

Our nearest neighboring planet may have a sister world

Proxima Centauri b may not be alone out there. The 2016 announcement of Proxima Centauri b was a watershed moment in exoplanet research. Not only had …

Astronomy

These 'Indestructible' Animals Would Survive a Planet-Wide Apocalypse

Even the most catastrophic astrophysical events couldn’t wipe out the hardy tardigrade, researchers report.<p>The world's most robust animals may very well survive until the sun stops shining.<p>Also known as water bears, tardigrades are tiny water-dwelling creatures famed for their resiliency. The …

Biology

Scientists Want You to Help Them Find Nearby Alien Planets Please

The Red Dots Campaign will target Ross 154, Barnard’s Star, and Proxima Centauri, three red dwarfs within ten light years of our solar system.<p>Hey, you: Want to help search for potentially habitable worlds around nearby alien suns? 'Course you do. Well, on Monday, the Pale Red Dot Campaign, the team …

Exoplanets

The Case for Cosmic Modesty

“There are many reasons to be modest,” my mother used to say when I was a kid. But after three decades as an astronomer, I can add one more reason: …

Universe

Help us find out what our possibly habitable exoplanet neighbour is actually like

There was a lot of excitement when Proxima b was discovered – a potentially habitable exoplanet around our nearest neighbour star, Proxima Centauri. …

Exoplanets

You can help astronomers find nearby Earth-like planets that support alien life

Astronomers are looking for new terrestrial planets around Proxima Centauri<p>The search for extrasolar planets is an exciting endeavour. When these …

Exoplanets

Reaching the Stars: Is Human Hibernation Really Possible?

Traveling to Deep Space<p>We’ve spent a few articles on Universe Today talking about just how difficult it’s going to be to travel to other stars. …

Space Travel

Astronomers Continue Search for Earth-Like Planets at Proxima Centauri and Other Stars (Video)

An astronomy team that found a potentially habitable planet at the nearest star system to Earth last year has resumed its search for similar …

Exoplanets

Space Robots Will Work for Decades in Alpha Centauri Before Humans

Forget about Mars for a second. If humanity is to ever reach Alpha Centauri — the nearest star system that claims the potentially habitable planet …

Space Exploration

Stephen Hawking Wants Humans to Reach Other Worlds Via a Beam of Light

Stephen Hawking reiterated his belief that humans need to explore space to avoid the dangers of our own finite world at a recent arts and science festival in Norway.<p>Humanity should focus its efforts on exploring other worlds that we might inhabit, and to get there, Earthlings may need to ride on a …

Stephen Hawking

Probe could explore star in 20 years

RENOWNED physicist Stephen Hawking wants us to send a starship to Alpha Centauri. And he says he knows how to get it there in just 20 years.<p>Speaking …

Stephen Hawking

Assist astronomers' new hunt for Earth-like planets

Last year an international team of astronomers led by Dr Guillem Anglada-Escudé, of Queen Mary University of London (QMUL), discovered a planet …

Exoplanets

NASA reveals ten more planets that could be home to alien life

Kepler telescope finishes its primary mission in style, with an extra ten Earth-like planets added to the stockpile<p>I’ll be honest, some of the thrill …

Planets

Stephen Hawking: Humans Should Ride a Beam of Light to Other Planets

Humanity should focus its efforts on exploring other worlds that we might inhabit, and to get there, Earthlings may need to ride on a beam of light, …

Weird

Joining the dots: Follow astronomers’ new hunt for Earth-like planets

The astronomers who discovered the nearest potentially habitable planet to our Solar System are inviting the public to take part in their search for …

Exoplanets

The Trappist-1 system has high odds of interplanetary life, new mathematical model shows

Earlier this year, NASA announced the discovery of an ultracool dwarf star surrounded by seven Earth-size planets. The star, named Trappist-1, and …

Exoplanets

How Humans Could Go Interstellar And Reach Other Planets Within A Lifetime

Besides the fact that humanity is currently driving itself obsolete in a way that even celebrated physicist Stephen Hawking asserted that we have to …