Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...

The evidence indicates that non-invasive monitoring (near-infrared spectroscopy; NIRS) of oxygen in brain tissue likely does not reduce death rates or short-term brain problems for very premature ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...

What, precisely, should constitute a “clean test” in the event of some fast-moving interstellar object sprouting a ...