Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Scientists have found a way to see ultrafast molecular interactions inside liquids using an extreme laser technique once ...

An analysis of several experiments aimed at detecting the mysterious neutrino has identified a hint of a crack in the ...

A team of researchers at Penn State have devised a new, streamlined approach to designing metasurfaces, a class of engineered ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

Heating a mirror to glowing red raises surprising questions about reflection and light, and this experiment explains what ...

The NEET UG 2026 (National Eligibility cum Entrance Test – Undergraduate) exam is expected to be held on Sunday, 3 May 2026, ...

In an earlier blog post about Christopher Nolan's latest blockbuster movie, Interstellar, I lauded the film for its ambition, ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the ...

Physicists are learning to treat light not as an untouchable beam that simply passes through matter, but as something that ...