See also stories tagged with Dark matter

Search results for dark matter

Astronomy Jul 2, 2024

Infrared glow high in Jupiter's atmosphere may be dark matter particles colliding

A pair of astrophysicists with Princeton University and the SLAC National Accelerator Laboratory found possible evidence of dark matter particles colliding. In their study, published in Physical Review Letters, Carlos Blanco ...

General Physics Jul 1, 2024

World's most accurate and precise atomic clock pushes new frontiers in physics

In humankind's ever-ticking pursuit of perfection, scientists have developed an atomic clock that is more precise and accurate than any clock previously created. The new clock was built by researchers at JILA, a joint institution ...

Astronomy Jul 1, 2024

'Motion-picture' method reveals shape of the Milky Way's dark matter halo

An international team has pioneered a "motion-picture" method for measuring the precession rate of the Milky Way's disk warp. Using a sample of Cepheid variable stars of different ages, this method allows the precession direction ...

Astronomy Jun 29, 2024

The Milky Way's eROSITA bubbles are large and distant

In 2020, astronomers discovered a large hourglass-shaped structure in or near the center of our Milky Way galaxy. Dubbed "eROSITA bubbles," there have been a few different hypotheses proposed to explain their precise nature. ...

Astronomy Jun 28, 2024

Astronomers discover two new Milky Way satellite galaxy candidates

For years, astronomers have worried about how to explain why the Milky Way has fewer satellite galaxies than the standard dark matter model predicts. This is called the "missing satellites problem."

Plants & Animals Jun 27, 2024

Three new extinct walnut species discovered in high Arctic mummified forest

In a new study, scientists describe three new, but long-extinct, walnut species on an island above the Arctic Circle. The fossils were discovered further north than any known walnut species, living or extinct, and represent ...

General Physics Jun 26, 2024

Experiment captures atoms in free fall to look for gravitational anomalies caused by dark energy

Dark energy—a mysterious force pushing the universe apart at an ever-increasing rate—was discovered 26 years ago, and ever since, scientists have been searching for a new and exotic particle causing the expansion.

Astronomy Jun 26, 2024

The surprising behavior of black holes in an expanding universe

A physicist investigating black holes has found that, in an expanding universe, Einstein's equations require that the rate of the universe's expansion at the event horizon of every black hole must be a constant, the same ...

Astronomy Jun 24, 2024

Revived technology used to count individual photons from distant galaxies

Using an instrument on the 4.1-meter Southern Astrophysical Research Telescope, researchers have obtained the first astronomical spectrum using skipper charge-coupled devices (CCDs).

Astronomy Jun 24, 2024

New research challenges black holes as dark matter explanation

The gravitational wave detectors LIGO and Virgo have detected a population of massive black holes whose origin is one of the biggest mysteries in modern astronomy. According to one hypothesis, these objects may have formed ...

page 5 from 40