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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

Two huge meteorite scars spanning 400km have been linked to one huge asteroid, creating an impact zone dwarfing that of Mexico’s Yucatan peninsula<p>Scientists have discovered a giant asteroid impact zone spanning 400km in the central Australian outback, the largest ever recorded.<p>The impact was caused …

Did Jupiter's journey demolish early super-Earths? - Futurity

Before Mercury, Venus, Earth, and Mars formed, our solar system likely was home to super-Earths. Did Jupiter cause them to break up and fall into the …

Astronomy

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 …

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 …

AOL

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 …

Universe

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 …

Astrophysics

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

NASA spots massive outburst from our very own black hole

Its root cause still undetermined, a huge X-ray flare from the Milky Way's center has made NASA scientists sit up and take notice.<p>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, …

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 …

Dark Matter

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Cosmology in crisis – podcast

Roberto Mangabeira Unger argues that cosmology has wandered far from the disciplines of conventional science in its obsession with untestable speculations<p>Should we rethink the notion that space and time are governed by unwavering laws of nature? Are they better understood as habits, themselves …

Your science questions answered

The big bang and how there was never a centre to the universe, how far human-generated signals travel into space and why some dives into water are so quiet<p><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</b> …

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 …

Astronomy

How to spot more planets like Earth - Futurity

A new study clarifies where—and when—infant Earths are most likely to be found.

Planets

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 …

Astronomy

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 …

Dark Matter

'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 …

Black Holes

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

Photo Credit: Keystone/Hulton Archive/Getty<p>Slide 1 of 15<p>Profound implications<p>Relativity is one of the most famous scientific theories of the 20th …

Physics

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

Steam Locomotives

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 …