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'One of the great unresolved embarrassments of physics': It's been 340 years since Newton and scientists still haven't solved the secret of gravity
By Robert Lea published
"The mystery is not solved."

Could a cosmic uncertainty principle help explain dark matter?
By Paul Sutter published
The universe may have its own version of Heisenberg's uncertainty principle, and that might be enough to explain dark energy without invoking any new physics at all.

Scientists found stardust trapped in Antarctic ice. What could it tell us about our solar system?
By Chelsea Gohd published
"This dust can penetrate the shielding of the solar system and end up on Earth."

What flings mysteriously powerful particles called 'cosmic rays' at Earth?
By Robert Lea published
High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may hide a superheavy secret that is the key to unlocking a 60-year-old puzzle.

The Whirlpool Galaxy comes alive | Space photo of the day for May 13, 2026
By Chelsea Gohd published
M51, also known as the Whirlpool Galaxy, looks incredible in this new snap by the James Webb Space Telescope.

'Like putting a microscope into the core of the sun': World's 1st space-based neutrino detector launches to orbit
By Tereza Pultarova published
The world's first space-based neutrino detector launched to space this month to study elusive neutrino particles that constantly bombard Earth.

Uranus and Neptune could be full of rocks, new study suggests
By Chelsea Gohd published
"Rather than 'icy' or 'rocky,' we should simply call them minor giants."

Thousands of deaths per year caused by invisible wildfire pollutant, satellite data shows
By Joanna Thompson published
Wildfire-derived ozone appears responsible for 2,045 excess deaths, on average, per year across the U.S., 20 years of satellite data reveal.
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