Earth’s magnetic poles once took 70,000 years to reverse
Earth’s magnetic field does not simply switch direction like a flipped light switch. It weakens, wanders, and reorganizes…
3D printed moon dust structures could be the future of lunar construction
A gray powder that looks like ash can become something closer to stone when hit with the right…
Scientists develop a new way to measure the expansion rate of the universe
For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe…
What a rare lensed supernova could mean for measuring cosmic expansion
A burst of light in the deep sky is doing something it should not be able to do.…
Dark matter and neutrinos are linked and interact with each other
A quiet shift in the numbers behind the universe’s growth is pushing scientists toward a bold possibility. Two…
Nearly invisible galaxy may be built mostly of dark matter, Hubble finds
A tight clump of four star clusters sits in the Perseus galaxy cluster, and at first glance it…
New global map finds recent tectonic activity across the Moon’s surface
Low, winding ridges run across the Moon’s dark plains like faint seams in cooled wax. They are easy…
How did massive elliptical galaxies appear so early after the Big Bang
Four galaxies crowd the center of a collapsing structure 1.4 billion years after the Big Bang. Each one…
New study uncovers the formative conditions that made Io dry and Europa watery
A moon can sit next door to another and still feel like a different world. Around Jupiter, that…
Event Horizon Telescope captures magnetic turbulence flickering at the edge of black hole M87*
For a few brief nights each year, you get a rare chance to watch a monster blink. The…
The Milky Way’s core may be dense dark matter, not a black hole
For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr…
Lunar asteroid strike in 2032 could trigger moonquakes and meteor storms on Earth
Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking…