Astronomy, space and physics

By Mark Draper | Look up, be inspired...

Excess positrons could come from dark matter after all

HAWC observations discount nearby pulsar sources

Physics

The case of the shrinking white dwarf

<i>For the first time, astronomers have found observational evidence of a contracting white-dwarf star.</i>

Universe

New pulsar result supports particle dark matter

New results from an unconventional observatory in Mexico are bringing scientists one step closer to solving the dark matter mystery. They lend …

Astronomy

New camera on Palomar telescope will seek out supernovas, asteroids and more

A new eye on the variable sky just opened. The Zwicky Transient Facility, a robotic camera designed to rapidly scan the sky nightly for objects that …

Universe

A New Type of Gravitational Wave Could Be Spotted Soon, Claims New Paper

It can’t be stressed enough how crazy gravitational waves are. These supremely violent events take place many light years in the distance, and …

Astrophysics

Triton's Arrival was Chaos for the Rest of Neptune's Moons

The study of the Solar System’s many moons has revealed a wealth of information over the past few decades. These include the moons of Jupiter – 69 of …

Astronomy

Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles

If the universe were a soup, it would be more of a chunky minestrone than a silky-smooth tomato bisque.<p>Sprinkled with matter that clumps together due …

Space Science

We Finally Know What Creates These Eerie Whistling Sounds in Space

Sure is noisy up there.<p>Using data from two different satellites, astronomers have linked an eerie-sounding phenomenon called a whistler mode chorus …

Physics

'Routine' detection of space ripples

BBC Science Correspondent<p><b>Gravitational waves have been picked up from another black hole merger.</b><p>It is the fifth time such an event has been validated, and the sixth occasion overall that ripples in space-time have been detected from far-off phenomena.<p>The LIGO-VIRGO collaboration, whose laser labs …

Astrophysics

Sky-sweeping Telescope Sees First Light

<b>The Zwicky Transient Facility has taken its first image, covering an area equivalent to 247 full Moons in a single shot. This beginning is part of an</b> …

Astronomy

NASA detects solar flare pulses at Sun and Earth

When our Sun erupts with giant explosions—such as bursts of radiation called solar flares—we know they can affect space throughout the solar system …

Physics

LIGO gravitational-wave hunters get lucky and find smallest black hole merger

It took months to figure it out, but the scientists in charge of the Laser Interferometer Gravitational-wave Observatory, or LIGO, have confirmed …

Astrophysics

Arecibo Telescope Wins Reprieve from U.S. Government

Nearly two months after Hurricane Maria devastated Puerto Rico, the people who operate one of the world’s pre-eminent radio telescopes—at the Arecibo …

Universe

Voyager 1 Spotted from Earth with VLBA and GBT Telescopes - National Radio Astronomy Observatory

Share This:<p>Earlier this year, the National Science Foundation’s Very Long Baseline Array telescope turned its gaze to NASA’s famed Voyager 1 and …

Universe

Watch: Meteor lights up night sky as it crashes over Finland

A live video stream has captured the moment when the night sky in Finnish Lapland was illuminated by a falling meteor this week.<p>In the video, captured on Thursday (October 16), the dark sky is transformed into daylight for a matter of seconds, before a bright flash comes into view, hurtling towards …

Time-lapse Photography

Earthquakes on Venus Could Be Detected by an Atmospheric Balloon

Venus's atmosphere is the heaviest of any planet in the solar system, roughly equivalent to deep-ocean pressure at a depth of 1 kilometer. The …

Planets

Gravitational-Wave Detector Catches Lightest Black Hole Smashup Yet

There's a population of monsters lurking in the dark depths of space that astronomers are trying to get acquainted with.<p>These monsters are pairs of …

Astrophysics

Deathblow Dealt to Dark Matter Disks

New data tracking the movements of millions of Milky Way stars have effectively ruled out the presence of a “dark disk” that could have offered …

Dark Matter

Earth Is Getting Hit by Too Much Anti-Matter, And Nobody Knows Why

What is going on?<p>Amid the high speed cosmic rays raining down on us from the depths of space are a handful of antimatter particles called …

Physics

Pluto's hazy atmosphere keeps its surface icy cold

Pluto's thick hazy atmosphere may be responsible for its temperature of -203ºC, according to a study published this week in Nature.<p><b>How it works:</b> …

Planets

Jupiter’s independently pulsating auroras

The auroras over Earth’s north and south poles typically mirror each other. But X-ray observations show that Jupiter’s auroras pulsate on different …

Astronomy

NASA’s Juno snaps gorgeous photo of Jupiter that you won’t believe is real

We’ve had quite a few huge storms here on Earth in recent months, and they’ve done some serious damage, but they’re nothing compared to what’s …

Astronomy

The Monster Star That Refuses to Die: Could Antimatter Be Fueling Its Supernovas?

The idea behind the death of a massive star is relatively straightforward: It gets old, runs out of fuel, collapses under gravity and then explodes …

Universe

Two Teams Have Simultaneously Unearthed Evidence of an Exotic New Particle

A few months ago, physicists observed an new subatomic particle—essentially an awkwardly-named, crazy cousin of the proton. Its mere existence has …

Physics

What is dead may never die

To quote the first line of a letter published today in the journal <i>Nature</i>, “Every supernova so far observed has been considered to be the terminal …

Universe

Is there a terrestrial analogue for Titan?

If you’ve ever wondered what Titan’s hydrocarbon lakes might look like, an asphalt lake in Trinidad may offer a partial answer.<p>It’s not exactly a …

Planets

Listening for Gravitational Waves Using Pulsars

One of the most spectacular achievements in physics so far this century has been the observation of gravitational waves, ripples in space-time that …

Astrophysics

Webb’s first space targets chosen

Testing Webb<p>13 November 2017<p>Gas giant Jupiter, organic molecules in star-forming clouds and baby galaxies in the distant Universe are among the first …

Universe

Astronomers Witness the Largest Galaxy Collision Ever Discovered

The two ancient galaxies are 50 times as massive as our own.<p>Galaxy collisions are the largest and most intricate choreography of matter ever performed in the universe. Billions of stars swirl together and fly apart, supermassive black holes collide and combine, and nebulas of gas collapse into …

Universe