For the first time, scientists have used NASA's IXPE (Imaging X-ray Polarimetry Explorer) to directly measure the magnetic fields of PSR J1101−6101, a pulsar located within what is often referred to ...

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Only 10 viral particles cause H5N1 avian flu infection in cows. Scientists have discovered that as few as ten particles of the H5N1 bird flu virus are sufficient to cause infection in dairy cows, a ...

Every time I write about particle physics, I encounter a moment of uncertainty about a quantity that, at first glance, ought to be clear. How many kinds of elementary particles should I say there are?

The Vela pulsar is located about 1,000 light-years from Earth. A new image and study are helping scientists better understand how some of the most energetic objects in space work. By examining the ...

Physicists know that their elegant theoretical description of forces and particles — the standard model of particle physics — must be incomplete, because there are a host of phenomena it cannot ...

Physicists may have just cracked open a hidden side of the quantum world. For decades, every known particle was thought to belong to one of two categories — bosons or fermions — but researchers have ...

The pressure produced by a single particle can now be measured for the first time, thanks to a device that uses a tiny bead held in place by a laser. It is so sensitive that researchers hope that it ...

Physicists know that their elegant theoretical description of forces and particles — the standard model of particle physics — must be incomplete, because there are a host of phenomena it cannot ...

A pair of rare particles produced in high-energy proton collisions may be the clearest evidence yet that mass can emerge from empty space. The finding could shed light on one of the biggest puzzles in ...

In November, scientists arrived at the South Pole in planes outfitted with skis to pull off a construction project seven years in the making. They had a short summer window — November to early ...

When you drill down into the very fabric of reality—where elementary particles make up the matter that is you and me and everything around us in three-dimensional space—things get divided nicely into ...