Universe

A Mysterious Galactic Glow Hints at Hidden Pulsars

In 2009, Dan Hooper and his colleagues found a glow coming from the center of our galaxy that no one had ever noticed before. After analyzing …

Physics

A Giant Magellan Telescope Needs Giant Mirrors

The Giant Magellan Telescope doesn’t seem so giant in the renderings, until you see how the mirrors are made.<p>The telescope will require seven total …

James Webb Space Telescope

Dark matter and dark energy don't exist, according to a new model of the universe

Dark matter and dark energy—the mystery forces believed to govern the universe—may not exist after all. In a newly developed model, astronomer André …

Dark Matter

Meet '`Oumuamua,' the Strange Interstellar Asteroid That Sent Us a Message

In the classic 1973 Arthur C. Clarke science fiction novel "Rendezvous With Rama," a mysterious object is detected outside the orbit of Jupiter as it …

Science

10 Scientific Phenomena To Be Thankful For, Today And Every Day

Every day, we have a choice whether we take our lives, our existence, our freedoms, and our moments for granted, or whether we express appreciation and gratitude for the good things that exist. The biggest unifier that all human beings have in common, that we all exist on the same world and in the …

Solar System

Lone alien planet has most eccentric orbit ever detected around old giant star - Science News - ABC News

Astronomers have discovered a single alien planet orbiting and elderly giant star with an extraordinarily weird path.<p>Alien planet key points<p>Key points<p>…

Exoplanets

You think your family’s Turkey Day dinner is rough? Try what HD 172555 is serving.

Earlier this week I was wondering what to write about on Thanksgiving, a national US holiday where we give thanks for various things we're, um, …

Astronomy

Our Milky Way

<i>Astronomy</i> magazine’s one-of-a-kind Milky Way poster shows a scientifically accurate depiction of our Milky Way Galaxy and its nearest neighbors, …

Astronomy

Space Dust Really Can Transport Life From Star to Star

Hitchhiking a ride across the galaxies.<p>The hypothesis of Panspermia states that life exists through the cosmos, and is distributed between planets, …

Science

How Big Are Neutron Stars? New Measurement Method Based On Thermonuclear Explosions

The life-cycle of stars is directly related to their mass. A star with a mass similar to the sun (about half to eight solar masses), when it runs out …

World News

Why Galaxies Come in Different Shapes

Hanging on the walls in countless science classrooms around the world are illustrations of our home galaxy, the Milky Way. You've probably heard of …

Physics

Canada solid gold in gravitational wave breakthrough

In a galaxy far, far away shown at left, two neutron stars collide, explode, and release a gravitational wave that ripples outward, shown by blue …

Canadian News

A Thrilling Trio of Variable Stars

<i>These three variable stars will hold your attention for nights on end.</i><i>iStockphotos.com/ZU_09</i>Tracking variable stars requires meticulous observation …

Astronomy

Hubble Finds 'Tenth Planet' is Slightly Larger than Pluto

NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena" for the first time, and has found that it is only just a little …

Astronomy

A Mysterious Object Flying Past the Sun Is Our First Confirmed Visitor From Another Solar System

A mysterious asteroid detected speeding past the sun in October has been confirmed by scientists to be a visitor from outside our solar system, the …

Astronomy

Hidden Supercluster Could Solve Milky Way Mystery

Astronomers generally stay away from the “Zone of Avoidance.” When one astronomer didn’t, she found a giant cosmic structure that could help explain …

University of Cape Town

Is dark matter decay causing antimatter to smash into Earth?

Antimatter Abundance<p>In 2008, the space-based instrument PAMELA detected something unusual in Earth’s atmosphere — an overwhelming and surprising …

Space

Astronomers have discovered a bizarre-looking object that came from outside our solar system

Astronomers recently discovered a bizarre-looking object in our solar system that's unlike anything they've ever seen before. It's so peculiar that astronomers think it's not even from our solar system. They've dubbed this mysterious interstellar asteroid "Oumuamua." Following is a transcript of …

Science

Uncovering the origins of galaxies' halos

Using the Subaru Telescope atop Maunakea, researchers have identified 11 dwarf galaxies and two star-containing halos in the outer region of a large …

Astronomy

NASA finishes 100 day cryogenic vacuum test of the James Webb Space Telescope

<b>NASA</b> has unsealed the 40-tonne doors of a 12-meter diameter cryogenic test chamber at the Johnson Space Center in Houston, Texas. The unsealing …

NASA

How supermassive black holes spawned so fast billions of years ago

Somewhere in the chasm of interstellar space are supermassive black holes so ancient, they came into being just as the universe was born, and there …

Astrophysics

Messier 60 - the NGC 4649 Galaxy

<i>Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at the elliptical galaxy known as</i> …

Astronomy

Space-Traveling Dust Might Be Seeding Galaxy with Earth's Organic Particles

By<p>Filed Under Science, Biology & Space Science<p>The future, straight to your inbox.<p>It’s tempting to think of planets as basically closed-off systems, …

Physics

Researchers conduct chemical study of an old, metal-rich globular cluster

(Phys.org)—Chilean researchers have presented a chemical study of the old, metal-rich globular cluster NGC 5927. The new research determines …

Chemistry

Astronomers Reveal Nearby Stars That Are Among The Oldest In Our Galaxy

ATLANTA—Astronomers have discovered some of the oldest stars in our Milky Way galaxy by determining their locations and velocities, according to a …

Physics

Scientists observe stars colliding, detect gravitational waves

Experts think the collision resulted in a black hole and sent the ingredients for gold and platinum into the universe.

Astrophysics

The First Interstellar Asteroid Is Like Nothing Astronomers Have Ever Seen

`Oumuamua is over 400 meters long, but only about 40 meters wide, and the interstellar asteroid had been flying through unpopulated space for millions of years before it happened to wander close to home.

Space Exploration

'Hot Spot' Around Red Giant Star May Reveal Sun's Fate

Astronomers have captured a stunning new view of the surface of an aging red giant star, revealing new clues about what the future may hold for our …

Astronomy

Cosmic snake pregnant with stars

This NASA/ESA Hubble Space Telescope image reveals the Cosmic Snake, a distant galaxy peppered with clumpy regions of intense star formation that …

Physics

Dark Matter: The Mystery Substance Physics Still Can't Identify

<i>This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights.</i><p>The …

Dark Matter