Fermi Gamma-ray Space Telescope

Halo Around a Pulsar could Explain Why We See Antimatter Coming from Space

Astronomers have been watching a nearby pulsar with a strange halo around it. That pulsar might answer a question that's…

10 months ago

Dark Matter Could Be A Source of Gamma Rays Coming from the Center of the Milky Way

There's a lot of mysterious goings-on at the center of the Milky Way. The supermassive black hole that resides there…

11 months ago

When it Comes to Gamma Radiation, the Moon is Actually Brighter Than the Sun

The eerie, hellish glow coming from the Moon may seem unreal in this image, since it's invisible to our eyes.…

1 year ago

Kilonova Neutron Star Collision Probably Left Behind a Black Hole

According to a new study, the recent merger of two neutron stars (which was detected thanks to the gravitational waves…

3 years ago

Second Fastest Pulsar Spins 42,000 Times a Minute

Thanks to a team of researchers from the Netherlands, who used the Low Frequency Array (LOFAR), the second fastest-spinning pulsar…

3 years ago

Fermi Links Neutrino Blast To Known Extragalactic Blazar

The Fermi Space Telescope has found the source of 'Big Bird', one of the most energetic neutrinos ever detected.

4 years ago

How Much Light Has The Universe Created Since the Big Bang?

The universe, most cosmologists tell us, began with a bang. At some point, the lights turned on. How much light…

7 years ago

Bright, Long-Lasting GRB Sets Energy Output Record

Last weekend (April 27, 2013), the Fermi and Swift spacecraft witnessed a “shockingly” bright burst of gamma rays from a…

7 years ago

Bright Blazar’s Emission Defies Explanations

When it comes to sheer wattage, blazars definitely rule. As the brightest of active galactic nuclei, these sources of extreme…

8 years ago

The Vela Pulsar as a Spirograph

I loved my Spirograph when I was young, and obviously Eric Charles, a physicist with the Fermi Gamma-ray Space Telescope…

8 years ago