Astrophysics

Gamma rays from lightning found to create antimatter in the air

Lightning is one of Earth's most energetic events, but there's much more to it than just a flashing fork and the rumble of thunder. Lightning strikes …

Science

Black Hole Pretenders May Be Superfast-Spinning Pulsars

Identifying black holes isn’t a matter of simply finding an empty spot in space. These massive objects can famously swallow everything—even …

Physics

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

Photonuclear reactions triggered by lightning discharge

Letter<p>Teruaki Enoto<br>• , Yuuki Wada<br>• , Yoshihiro Furuta<br>• , Kazuhiro Nakazawa<br>• , Takayuki Yuasa<br>• , Kazufumi Okuda<br>• , Kazuo Makishima<br>• , Mitsuteru Sato<br>• , Yousuke Sato<br>• , …

Physics

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 …

Universe

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.

Space Science

Frontiers Lecture: Neil deGrasse Tyson and Astronaut Scott Kelly on Life in Space

Scott Kelly is a former Navy fighter pilot and test pilot, an engineer, and a retired NASA astronaut who over four space flights accumulated 520 days …

NASA

Do black holes collapse?

These cosmic sink-holes do gradually shrink, but it’s impossible to get any more compact than a black hole.<p>The Schwarzschild radius (event horizon) …

Science

Scientists detect gravitational waves from a collision of the lightest binary black hole pair observed by LIGO so far

Scientists have yet again detected gravitational waves - ripples in the fabric of space and time - produced by the merger of two light black holes …

Space Science

Black holes that shred stars burp out cosmic rays and neutrinos

White dwarf stars shredded by black holes could explain showers of high-energy cosmic rays and neutrinos we see on Earth.<p>Cosmic rays and neutrinos …

Space Science

Astrophysicist claims time travel could be possible – but with one catch

<b>Time travel has been the holy grail of science for centuries but it could finally be within our grasp.</b><p>There is just one problem, we might not be able …

Physics

Neil deGrasse Tyson is bringing science to the Tobin Center

Neil deGrasse Tyson will be bringing his “Cosmic Collision” tour to San Antonio.<p>The popular astrophysicist will speak at the Tobin Center January 17, …

Space Science

'Routine' detection of space ripples

<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 sense the waves, issued …

Space Science

Colliding black holes are reported for a fifth time

Spacetime ripples from black holes are becoming routine.<p>For a fifth time, scientists have reported the detection of two colliding black holes via …

Space Science

Black Holes Slamming Together Officially 'Routine'

Well, this is it. We've finally gotten to the point where observing two black holes slamming together, possibly the most way-out physics-based idea …

Space Science

Sky-high observatory sheds light on origin of excess anti-matter

The High-Altitude Water Cherenkov (HAWC) Observatory in Mexico, built and operated by an international team that includes Penn State scientists, has …

Universe

Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth

Several cosmic-ray detectors have found more positrons arriving at Earth than expected. Some researchers interpret this as a signature of exotic …

Universe

This 2.5 Billion-Year-Old Explosion Is Unlike Any Astronomers Have Seen

They are trying to figure out what caused it.<p>A long time ago, in a galaxy far, far away, there was one hell of a bang. The event represents the most …

Universe

Gravitational Waves Tell Us Just How Fast The Universe Is Expanding

Last year astronomers made the first detection of gravitational waves from the merging of two black holes. It gave us an entirely new way to view the cosmos. Now we aren’t limited by the emission and absorption of light by matter. We can explore the universe through ripples in the fabric of …

Space Science

The man who helped prove Einstein correct weighs in on America's startling science gap

There is order to the monumental grandeur of the universe, like the stately constancy of gravity. And there is stupendous violence, like the crash between black holes. Albert Einstein, a hundred years past, argued that something called gravitational waves existed, too — waves that ripple like …

Physics

Neil deGrasse Tyson and YouTube star Emily Graslie break down what it's like to skin a wolf and the future of museums

Neil deGrasse Tyson talks to Emily Graslie, the host of the YouTube channel The Brain Scoop. Neil talks with Emily about everything from what it's like to host a YouTube show at Chicago's renowned Field Museum, to how she disarticulated and fed a roadkill wolf to a colony of flesh-eating …

Science

Neutron star with strong magnetic field may still launch jets

In 2013, astronomer Nathalie Degenaar (University of Amsterdam, the Netherlands) decided that it was time to observe a few neutron stars with …

Physics

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 …

Space Science

Black holes, curved spacetime and quantum computing

Rotating black holes and computers that use quantum-mechanical phenomena to process information are topics that have fascinated science lovers for …

Quantum Mechanics

Zwicky Transient Facility Telescope, With 576-Megapixel Camera, Sees 'First Light'

A group of scientists from California Institute of Technology (Caltech) and the University of Washington has modified an old telescope to create a …

World News

Two Stars Slammed Into Each Other And Solved Half Of Astronomy’s Problems. What Comes Next?

Progress, as they say, is slow. In science, this is often true even for major breakthroughs; rarely is an entire field of research remade in a single …

Science

Boffins brace for huge gravitational wave coming within a decade

The most violent gravitational waves in the universe between supermassive black holes will be detected to within ten years, according to research …

Space Science

The local nanohertz gravitational-wave landscape from supermassive black hole binaries

Article<p>Chiara M. F. Mingarelli,<br>• T. Joseph W. Lazio,<br>• Alberto Sesana,<br>• Jenny E. Greene,<br>• Justin A. Ellis,<br>• Chung-Pei Ma,<br>• Steve Croft,<br>• Sarah Burke-Spolaor …

Space Science

Can Scientists Figure Out Where Colliding Black Holes Come From?

When distant black holes (or neutron stars) collide, there's a lot scientists can tell from the way they send gravitational waves rippling through …

Space Science

Gravitational waves emitted from supermassive black hole binary could be detected in 10 years

In a research done by the NASA, it has been predicted that in the next ten years, scientists might be able to detect <b>gravitational waves</b> from at least …

Space Science