Astronomy, space and physics

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

Ultra-high-energy cosmic rays have extra-galactic origins

Proof that ultra-high-energy cosmic rays come from outside the Milky Way has been published by astrophysicists working on the Pierre Auger …

Physics

There may be a fighting chance for TRAPPIST-1’s planet habitability

TRAPPIST-1 is a never ending roller coaster planetary system. The seven planet system might have at least three habitable planets — that is, unless …

Astronomy

Gravity Could Be the Result of Random Quantum Fluctuations — NOVA Next

If this theory is true, quantum mechanics might be more fundamental to the structure of the universe than gravity itself.<p>Scientists have been trying …

Quantum Mechanics

The Big Bang Wasn't The Beginning, After All

The Universe began not with a whimper, but with a bang! At least, that’s what you’re commonly told: the Universe and everything in it came into existence at the moment of the Big Bang. Space, time, and all the matter and energy within began from a singular point, and then expanded and cooled, …

Space Science

We Might Finally Know Where All Those Mysterious Cosmic Rays Are Coming From

They're not from this galaxy.<p>The highest energy cosmic rays hitting Earth have finally had their point of origin pinned down. And it isn't from …

Universe

Physicists Just Quantum Teleported Complex Light Patterns For The First Time

A whole new level.<p>Wrapping your messages up with quantum weirdness is a great way to avoid sneaky eavesdropping, but in its current form it's more …

Quantum Mechanics

There might be a fast radio burst every second

Fast radio bursts (FRBs) are one of the hottest topics in astronomy right now. These short but extremely powerful bursts last only milliseconds, but …

Astronomy

New Space Telescope, 40 Times The Power Of Hubble, To Unlock Astronomy's Future

Since humanity first turned our gaze skyward, we’ve realized that the cosmic story of our existence — our origins, all that exists today, and what our ultimate fate is — is literally written across the Universe. Our understanding of what our Universe truly is, what it’s made up of, and how it came …

Universe

Astronomers Have Spotted a Strange Hybrid Asteroid in Our Solar System

Like nothing we've seen before.<p>The Hubble space telescope has seen a lot of weird things that defy easy definition. Here's one more for the list – a …

Astronomy

Sun on the sky’s equator

Another great explanation of Friday’s equinox – plus beautiful graphics – from astronomer Guy Ottewell.<p>The equinox will strike, like a bell, on …

Astronomy

More evidence of water on Mars

Planetary researchers say a large sedimentary basin, named Aeolis Dorsa, contains some of the planet’s most spectacular and densely packed river …

Planets

2 Monster Black Holes Spotted at Galaxy's Heart

Not one but two gigantic black holes lurk at the heart of the distant spiral galaxy NGC 7674, a new study suggests.<p>These two supermassive black holes …

Astrophysics

Are We About To See A Black Hole?

If there is one thing science is good for, it's going to extremes.<p>A lot of science's history is just one story after another of people figuring out how to do something that, just a few years before, was thought to be impossible.<p>The impossible was heavy on my mind last Wednesday as I found out just …

Astrophysics

The Media Has A Probability Problem

The media’s demand for certainty — and its lack of statistical rigor — is a bad match for our complex world.<p><i>This is the 11th and final article in a</i></i> …

Elections

Is our galaxy normal?

Our home galaxy, the Milky Way, has been a jumping-off point to our understanding of galaxies throughout the universe. And though our picture of that …

Universe

Astronomers just discovered the smallest star ever

A team of astronomers at the University of Cambridge was on the lookout for new exoplanets when they came across an exciting accidental discovery: …

Astronomy

Exploring the solar system graveyard

Where spacecraft go to die<p>Research: Giorgia Guglielmi<p>14 September 2017<p>On 15 September, NASA's Cassini spacecraft will conclude a nearly 20-year-long …

Space Exploration

The plan to send 50 small spacecraft to tour 300 asteroids

Asteroids have a lot to teach us about the early days of the Solar System, but their nomadic nature makes them hard to study. To observe a wide range …

Space Exploration

NASA is about to sling a spacecraft onto an asteroid

When it comes to studying samples of otherworldly material, scientists on Earth are in a bit of a bind. We’ve brought rocks back from the moon and …

Space Exploration

Scorching hot Mercury looks icier than previously thought

With blistering daytime temperatures of up to 800° F (427° C), Mercury isn't the first planet in the solar system you'd think to look for ice. But …

Planets

A Peek at the Glowing Red Shell Around an Aging Star

The latest picture of a distant star shows more detail than ever before.<p>About 2,700 years ago, a distant star in our galaxy expelled a bunch of material at high speed, creating a thin shell around itself. Now, thanks to powerful telescopes, astronomers can take a picture of it.<p>U Antliae, one of the …

Astronomy

Jupiter has two new moons

<b>And five lost ones have been found.</b>

Astronomy

Does self-interacting dark matter explain galactic diversity?

Simulation predicts rotation curves of 30 galaxies

Dark Matter

New Map of Water in Moon Dust - Sky & Telescope

<b>A new analysis maps out water across the lunar surface, revealing how its abundance changes with latitude.</b><p>Water is the most abundant chemical …

Astronomy

Earth dodges a cosmic bullet -- for now

<b>(CNN) —</b> Mother Nature has had a hectic past couple of weeks of hurricanes, an earthquake, wildfires and flooding. But while our attention has been turned to these humanitarian crises, Earth ducked a cosmic bullet the likes of which could have crippled human technological civilization.<p>Over the last …

Large Hadron Collider

Insight Astronomy Photographer of the Year 2017 winners – in pictures

Awe-inspiring views of the universe were celebrated at the Insight Astronomy Photographer of the Year 2017 awards ceremony, held at the Royal Greenwich Observatory

Astronomy

Proof Of 'God Playing Dice With The Universe' Found In The Sun's Interior

Deep inside the Sun’s interior, the fusion of lighter nuclei into heavier ones causes a tiny amount of mass to be lost, converted into energy via the famous <i>E = mc2</i>. At temperatures of 4,000,000 K or above, all the way up to 15,000,000 K in the Sun’s very center, hydrogen and helium isotopes build …

Physics

Cassini Took One Last Look at a Mysterious Glitch in Saturn's Rings Before It Died

Peggy is something along the edge of Saturn’s ring, a glitch whose source we’ve never seen. Cassini took a last peek at Peggy during its Grand Finale …

Astronomy

Three Planets Will Slide Behind the Moon in an Occultation

At the start of this week, the moon will play a game of planetary peek-a-boo as it momentarily blocks Venus, then Mars and then Mercury in the sky. Although it will be difficult to see this disappearing act in much of the world, it’s a vivid reminder of the cosmic clockwork at play in our solar …

Planets