DaltonSkyGazer

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New theory—If we want to detect dark matter we might need a different approach

One reason for this is that dark matter is not very dense in our part of the universe.<p>"If we add another way of looking for dark matter, then we will …

NASA reassures public that there is no asteroid threatening Earth

Numerous recent blogs and web postings are erroneously claiming that an asteroid will impact Earth sometime between Sept. 15 and 28, 2015. On one of …

Asteroids

Scientists think 'planetary pebbles' were the building blocks for the largest planets

Researchers at Southwest Research Institute (SwRI) and Queen's University in Canada have unraveled the mystery of how Jupiter and Saturn likely …

Mystery of exploding stars yields to astrophysicists

A longstanding mystery about the tiny stars that let loose powerful explosions known as Type Ia supernovae might finally be solved.<p>For decades, …

Dwarf galaxies feel the blast from larger neighbours

Dwarf galaxies are the most abundant galaxies in the universe. Yet understanding how these systems behave in galaxy group environments is still a …

High-energy observatory launches this week

"To validate the simulations we take the detector to CERN, the particle accelerator in Switzerland," said Rauch, who has been on three accelerator …

Sibling stars

Open star clusters like the one seen here are not just perfect subjects for pretty pictures. Most stars form within clusters and these clusters can …

Cosmology

Small, modular, efficient fusion plant: New design could finally help to bring the long-sought power source closer to reality

New design could finally help to bring the long-sought power source closer to reality<p>Advances in magnet technology have enabled researchers to …

From a million miles away, NASA camera shows moon crossing face of Earth

A NASA camera aboard the Deep Space Climate Observatory satellite captured a unique view of the moon as it moved in front of the sunlit side of Earth …

Space Travel

Galaxy star birth regulated by black-hole fountain

Astronomers have uncovered a unique process for how the universe's largest elliptical galaxies continue making stars long after their peak years of …

Astronomers unveil a distant protogalaxy connected to the cosmic web

Astronomers have discovered a giant swirling disk of gas 10 billion light-years away -- a galaxy-in-the-making that is actively being fed cool …

5 billion light years across—the largest feature in the universe

A Hungarian-US team of astronomers have found what appears to be the largest feature in the observable universe: a ring of nine gamma ray bursts – …

New record: Keck Observatory measures most distant galaxy

A team of astrophysicists using the W. M. Keck Observatory in Hawaii has successfully measured the farthest galaxy ever recorded and more …

Cosmology

Gravitational constant appears universally constant, pulsar study suggests

Gravity, one of the four fundamental forces of nature, appears reassuringly constant across the Universe, according to a decades-long study of a …

Bright spots and a pyramid-shaped mountain on Ceres

Striking 3-D detail highlights a towering mountain, the brightest spots and other features on dwarf planet Ceres in a new video from NASA's Dawn …

Scientists discover elusive gamma-ray pulsar with distributed computing project

After their discovery far from the catalogue position, the scientists had an even closer look at the Fermi-LAT data, to find the reason for the …

T-Minus 12 Days to Perihelion, Rosetta's Comet Up Close and in 3D

With just 12 days before <b>Comet 67P/Churyumov-Gerasimenko</b> reaches perihelion, we get a look at recent images and results released by the European Space …

Space

Curiosity Discovers Mars Rock Like None Before, Sets Drill Campaign

Curiosity extends robotic arm and conducts test drill at “Buckskin” rock target at bright toned “Lion” outcrop on the lower region of Mount Sharp on …

China starts assembling world's biggest radio telescope

China has started assembling the world's largest radio telescope, which will have a dish the size of 30 football pitches when completed, state media …

New Horizons data hint at underground ocean

Pluto wears its heart on its sleeve, and that has scientists gleaning intriguing new facts about its geology and climate. Recent data from NASA's New …

Unusual red arcs spotted on icy Saturn moon Tethys

Like graffiti sprayed by an unknown artist, unexplained arc-shaped, reddish streaks are visible on the surface of Saturn's icy moon Tethys in new, …

Hubble image: Stormy seas in Sagittarius

Some of the most breathtaking views in the Universe are created by nebulae - hot, glowing clouds of gas. This new NASA/ESA Hubble Space Telescope …

Cosmology

Stars in Milky Way have moved

Researchers have created a new map of the Milky Way that shows nearly a third of the stars have dramatically changed their orbits.

Universe

An exceptional planetary system discovered in Cassiopeia

Astronomers have teased out a secret planetary system hiding in the arms of Cassiopea, just 21 light years away from us. The remarkable system, named …

Organic molecules on comets: Philae's first results from Churi prove surprising

Organic molecules never previously observed in comets, a relatively varied structure on the surface but a fairly homogeneous interior, organic …

Image: Hubble uncovering the secrets of the Quintuplet Cluster

Although this cluster of stars gained its name due to its five brightest stars, it is home to hundreds more. The huge number of massive young stars …

Scientists say comet lander may have shifted position

Scientists say the Philae spacecraft that landed on a comet last year may have shifted its position, making it harder to communicate with the …

Space

The planetary sweet spot: Abundance of elements in the Earth dictate whether plate tectonics can happen

Planet Earth is situated in what astronomers call the Goldilocks Zone—a sweet spot in a solar system where a planet's surface temperature is neither …

Failed strut caused SpaceX rocket blast: CEO Elon Musk

The SpaceX Falcon 9 explosion was caused by a failed strut that allowed a helium bottle to burst free inside the rocket's liquid oxygen tank, CEO …

Why is life left-handed? The answer is in the stars

The experiments suggest that a glycine hydrogen atom could be displaced by an atom of deuterium, which is a heavier version of hydrogen that contains …

Chemistry