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Volcanoes on Venus May Still Be Awake

Data from the now-defunct European Venus Express orbiter show that volcanoes are erupting on the planet known as “Earth’s Evil Twin.”<p>New research has revealed a major secret about Venus, a planet whose thick shroud of clouds and 900°F surface temperature have made it difficult to study in the past. …

Astronomy

Evidence of largest asteroid impact zone on Earth found in Australian outback

Scientists have discovered a giant asteroid impact zone spanning 400km in the central Australian outback, the largest ever recorded.<p>The impact was caused by an enormous meteorite that split into two 10km-wide chunks before it slammed into Earth around what is now the Warburton basin, lead …

Earth Science

Did Jupiter’s journey demolish early super-Earths?

Long before Mercury, Venus, Earth, and Mars formed, it seems that the inner solar system may have harbored a number of super-Earths—planets larger …

Universe

Astronomers Find Supermassive Black Hole 12 Billion Times Size of the Sun

Astronomers say they have have discovered a black hole so big that it challenges the theory about how they grow. Scientists said this black hole was formed about 900 million years after the Big Bang. But with measurements indicating it is 12 billion times the size of the sun, the black hole …

Black Holes

Ancient planetary system with its own sun-like star found in the galaxy

Discovery of five planets orbiting around Kepler 444 suggests ancient worlds might lurk around other stars in more habitable reaches of the Milky Way<p>The discovery of five archaic planets around one of the oldest stars in the galaxy has raised the possibility that the Milky Way might be home to …

Universe

RebelMouse vs. WordPress VIP

After building the product for Huffington Post, and owning the product and engineering groups at AOL after we were acquired, it was clear to me there …

What’s a safe distance between us and a supernova?

And how many potentially exploding stars are located within the unsafe distance?<p>A supernova is a star explosion – destructive on a scale almost …

Wormhole to another galaxy may exist in Milky Way

A space-time tunnel could exist in the middle of the Milky Way and we could travel through it, say scientists<p>A giant doorway to another galaxy may exist at the centre of the Milky Way, a study suggests.<p>Scientists believe that dark matter at the centre of our galaxy could sustain a wormhole that we …

Mysterious cosmic radio burst spotted in real time from Australia

<b>UPDATE: Wednesday, May 6, 9:44 a.m. AEST:</b> Emily Petroff has confirmed to Mashable a signal the team was picking up, that mimicked fast radio bursts, …

Warped space-time tips pulsar out of view

<b>A pulsar, one of deep space’s spinning “lighthouses”, has faded from view because a warp in space-time tilted its beams away from Earth.</b><p>The tiny, heavy pulsar is locked in a fiercely tight orbit with another star.<p>The gravity between them is so extreme that it is thought to emit waves and to bend …

Planets Outside Of Our Solar System

55 Cancri e is a super-Earth - more massive than the Earth but lighter than a gas giant. This planet is so close to its Sun that it orbits every 18 hours. Its light was detected by the Spitzer Space Telescope.

NASA spots massive outburst from our very own black hole

As you might know, the Milky Way Galaxy, in which we are all floating, has a black hole with a mass 4.5 million times bigger than that of our sun at its very center. So, when NASA says a documented occurrence in that vast pit of darkness "raises questions about the behavior of this giant black hole …

Black Holes

Earth - Are Earth years a bit weird?

To us, a year lasts 365 days.<p>Aliens, if they exist, may have quite different attitudes to time. That's because some planets have much shorter years than Earth's, while others are vastly longer.<p>Why the drastic difference in year lengths? The mass of the star has some effect, because more massive …

Study finds possible alternative explanation for dark energy

(Phys.org)—Dark energy is an unknown form of energy that is proposed to drive the accelerated expansion of the universe. A new study by University of …

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Have scientists found first sign of Dark Matter?

A signal picked up by Dutch and Swiss scientists is thought to be the first phsical evidence of Dark Matter<p>It was first theorised more than 70 years ago, but after decades of searching, scientists believe they have seen the first sign of elusive Dark Matter.<p>Researchers have picked up unexpected …

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Cosmology in crisis – podcast

<b>Roberto Mangabeira Unger</b> argues that cosmology has wandered far from the disciplines of conventional science in its obsession with untestable speculations Continue reading...

Your science questions answered

<b>Q At the moment of the big bang, all mass was in a single spot and has been expanding outward from there since. Where is the centre of the expansion from, and wouldn’t there be a growing void emanating from that point going forward?</b> asks Kirk Lynn<p>A As Dr David Mulryne from Queen Mary University of …

When is my earliest sunset?

At the latitude of Miami, Florida or Brownsville, Texas in the U.S. – or, say, the city of Naha in Okinawa, Japan – the earliest sunsets of the year …

How to spot more planets like Earth

A new study clarifies where—and when—infant Earths are most likely to be found.<p>The findings show that the habitable zone on these infant Earths is …

Universe

Video: We are dead stars

Every atom in our bodies was processed in the body of an ancient star.<p>Eleanor Imster has helped write and edit EarthSky since 1995. She was an …

Is Dark Energy Gobbling Dark Matter, and Slowing Universe's Expansion?

Dark energy appears to be devouring dark matter and slowing the expansion of the cosmos, a new study suggests.<p>Dark matter makes up the backbone of …

'Wanderers' Is A Fantastic Vision Of Humanity's Interplanetary Future

This short sci-fi film, narrated by Carl Sagan, inspires us to explore the solar system<p>Having a hard time getting motivated after a lazy, turkey-filled Thanksgiving break? We’ve got the perfect remedy for you. Take just five minutes from your workday to watch <i>Wanderers</i>, a short science-fiction film …

Why scientists want to find a pulsar orbiting a black hole

Discovering a pulsar orbiting a black hole is considered ‘an authentic holy grail’ for testing Einstein’s theory of gravity.<p><i>Pulsars</i> are the most …

8 Ways You Can See Einstein's Theory of Relativity in Real Life

1 of 8<p>Profound implications<p>Relativity is one of the most famous scientific theories of the 20th century, but how well does it explain the things we …

Scientists Are More Creative Than You Might Imagine

But original thinking could be declining among students because of the growing emphasis on test-taking in schools.<p>Scientists don’t usually have a reputation for being very creative. They have to adhere to the scientific method, use statistics and data, and carefully measure their results—activities …

The 10 moments that changed science and engineering: in pictures - Telegraph

What is the Difference Between Asteroids and Comets?

Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes …

Astronomy