Science – Page 31 – Story Sentry

These cheap solar cells work better because they’re flawed

April 10, 2026 nedimesken

Perovskite solar cells shouldn’t work as well as they do—but they do. Scientists have now discovered that defects inside the material actually help, creating networks that separate and guide electric charges efficiently. Using a novel imaging method, they revealed hidden structures acting like charge “highways.” This insight could unlock even more powerful, low-cost solar cells.

Scientists think dark matter might come in two forms

April 10, 2026 nedimesken

A mysterious glow of gamma rays at the center of the Milky Way has long hinted at dark matter, but the lack of similar signals in smaller dwarf galaxies has cast doubt on that idea. Now, researchers propose a bold twist: dark matter might not be a single particle at all, but a mix of…

Ripples in spacetime may have revealed 1st evidence of tiny black holes born in the Big Bang

April 10, 2026 nedimesken

Gravitational waves may have provided the first tantalizing evidence of tiny primordial black holes born during the Big Bang, which could account for dark matter.

Crossword: Traveling Light

April 10, 2026 nedimesken

Solve the crossword from our May 2026 issue, in which we expand the way we see the universe.

No One Knows Where US Vaccine Policy Goes Next

April 10, 2026 nedimesken

Robert F. Kennedy Jr.’s sweeping changes to federal vaccine guidance are paused for now. But even if they’re reversed, lasting damage has already been done.

Where will NASA’s Artemis 2 moon mission land today?

April 10, 2026 nedimesken

The Artemis 2 astronauts will return to Earth this evening (April 10) with a splashdown in the Pacific Ocean. Here’s where they’ll hit the water, and why that spot was chosen.