Proxima Centauri

We're lucky Earth isn't caught in a permanent Ice Age

If we were just a fraction further from the Sun, life on Earth would be very different... or probably non-existent<p>The Earth might be more special …

Ice Age

The New Neil Armstrongs

One day, probably in the summer of 1950, but possibly 1951, over lunch at Fuller Lodge, Enrico Fermi, the famed Italian American physicist and …

A Year of Free Comics: Farel Dalrymple launches the haunting SF comic Proxima Centauri

Get in on the ground floor of a new comic that everyone will be talking about Farel Dalrymple is the artist on the amazing book The Wrenchies, as …

Comics

The Closest Star To Our Sun Might Be An Imposter

A new study suggests that Proxima Centauri, the closest star to our Sun, may have been captured from elsewhere in the galaxy by its two companion …

Exoplanets

Do-it-yourself Science — is Proxima c hiding in this graph?

This unusual Picture of the Week showcases the latest data gathered by ESO’s exoplanet hunter, the High Accuracy Radial velocity Planet Searcher …

Universe

Can Crowdfunding Find Earth 2.0?

To find planets around Alpha Centauri, the closest star system to here, a group of dreamers needs your help.<p>Now that we've found a planet next door to our solar system, the hunt is on for a more promising one—an Earth-like world that could be lurking just a few light years away. A group called …

Universe

The Sun's Energy Doesn't Come From Fusing Hydrogen Into Helium (Mostly)

If you start with a mass of hydrogen gas and bring it together under its own gravity, it will eventually contract once it radiates enough heat away. Bring a few million (or more) Earth masses’ worth of hydrogen together, and your molecular cloud will eventually contract so severely that you’ll …

Physics

We Finally Have Data on Which Nearby Stars Could Send Comets Crashing Into Earth

Long term survival planning.<p>By estimating the paths of several hundred thousand stars in the Milky Way galaxy, scientists have sketched out some …

Universe

Femto-Spacecraft Could Travel to Alpha Centauri - MIT Technology Review

Last year, a small team of astronomers announced the discovery of an Earth-like planet orbiting the red dwarf star Proxima Centauri, one of our …

Exoplanets

Astronomers detect 15 high-frequency ‘fast radio bursts’ from distant galaxy

Green Bank Telescope in West Virginia (credit: Geremia/CC)Using the Green Bank radio telescope, astronomers at Breakthrough Listen, a $100 million …

Astrophysics

Nearby Planet Proxima b's Atmosphere Was Likely Stripped Long Ago

The nearby alien planet Proxima b may have lost the ability to support life long ago, a new study suggests.<p>If Earth had formed where Proxima b orbits …

Planets

13 stellar things to know about the sun

<b>While eclipse mania is reaching a fever pitch, here’s what to know about the star of the show.</b><p>The sun is such a fundamental part of life that it’s …

Astronomy

Here's Your Critical Guide to the Hospitable Earth-Like Exoplanets

There’s a vital human desire to discover and explore other planets like Earth, so the plenum of candidate Earth-like planets is fitting. As of July …

Exoplanets

The Air out There: Astronomers Aim to Find Atmospheres of Alien Earths

Is our nearest neighboring exoplanet, Proxima b, an "Earth next door," or is it a lifeless rock?

Exoplanets

How NASA's hugest telescope ever could seek out life on a nearby exoplanet

Astronomers have had a telescopic eye on exoplanet Proxima Centauri B since last year, but they may soon get an unprecedented closeup of it with …

Exoplanets

Inside the Ambitious, Absurd, Technically Feasible Plan to Send a Spacecraft to Our Neighbor Star

The Breakthrough Initiatives, created by Russian billionaire physicist Yuri Milner, is one of the most forward-thinking space exploration groups in …

Space Travel

Four Earth-sized exoplanets discovered in orbit around tau Ceti, the closest Sun-like star

Researchers from the University of California, Santa Cruz have identified four Earth-sized planets in orbit around the closest Sun-like star to the …

Exoplanets

The James Webb Space Telescope, billed as NASA’s premier observatory of the next decade, could provide an unparalleled view of Proxima Centauri b after it launches.

Credit: ESO/M. KornmesserAround this time last year, astronomers excitedly announced the discovery of a planet roughly the size of Earth that was …

Exoplanets

Bad News For Proxima b: An Earth-Like Atmosphere Might Not Survive There

Back in of August of 2016, the existence of an Earth-like planet right next door to our Solar System was confirmed. To make matters even more …

Exoplanets

Cancel your summer trip to nearby Proxima b. No chance of life, room service, say boffins

It's cold outside, there's no kind of atmosphere ... I'm all aloneNASA scientists have dashed hopes that Proxima Centauri b, an Earth-ish-like planet …

Exoplanets

Aw, shucks! Promising exoplanet, Proxima b, can't keep an Earth-like atmosphere

Why it matters to you<p>Although an Earth-like atmosphere isn't the sole requirement for life to emerge, it is important for life as we know it.<p>Our …

Universe

Proxima b's chances of hosting life may have just dropped

A new NASA study has poured another bucket of cold water on hopes of one day discovering life on the closest exoplanet ever discovered – the …

Exoplanets

NASA reveals more about Proxima b's habitability: Top 7 things to know

Proxima b, an Earth-sized exoplanet, might not be habitable as previously believed.<p>An Earth-sized exoplanet named Proxima b-- which is just 4 light …

Universe

No Earth-like atmosphere for Proxima b

It’s the nearest exoplanet and in its star’s habitable zone. But a new study suggests radiation from its star would drain an Earth-like atmosphere …

Exoplanets

Proxima b Probably Isn't Habitable After All, NASA Says

We once had such high hopes for Proxima b. We thought that the Earth-like planet might be covered in a single, giant ocean; that it might be …

Universe

Astronomers discover "hottest gas giant" planet with more than 4,300 degrees of temperature

Astronomers have discovered the hottest planet ever known, with a dayside temperature of more than 4,300 degrees Celsius. In fact, this planet, …

Universe

World’s tiniest spacecraft is headed for the stars

The smallest ever spacecraft has been put into orbit in what may be the first step towards the stars.<p>Breakthrough Starshot is a plan to send man-made …

Space

Prototype ‘star chips’ undergo testing ahead of Alpha Centauri shot

THE smallest ever spacecraft have been put into orbit in what may be the first step towards the stars.<p>Breakthrough Starshot is a plan to send …

Australian News

The universe should be teeming with extraterrestrial life. So where is it?

In the Milky Way alone, there are an estimated 100,000 million stars and 100 billion planets, many of which are “potentially habitable,” meaning they …

Aliens

Scientists have worked out what it would take to destroy all life on a planet

To establish a benchmark for total annihilation, experts studied the world’s hardiest species, the tardigrade<p>The first exoplanet was spotted in 1988. …

Universe