July 13, 2026 Dark matter may be far more complicated than scientists once believed. A new study suggests it could consist of at least two different kinds of particles that slowly separate over time, ...

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. A recent effort to end it has stalled in Congress. By Alan Yuhas Hello. You may be here to learn when daylight ...

In the past, many laser light-scattering experimental results revealed that besides the fast relaxation mode, there existed an additional slow mode in semidilute solutions. This slow mode has been ...