Reference Gravity can be described in a variety of ways. Here's how Newton and Einstein took gravity from an observation to a measurable phenomenon.
Reference White holes are theoretical cosmic regions that are opposite to black holes. Just as nothing can escape a black hole, nothing can enter a white hole.
Reference String theory is the idea in theoretical physics that reality is made up of infinitesimal vibrating strings, smaller than atoms, electrons or quarks.
Astronomers have tracked 500 fast radio bursts to their locations in the sky, and found they come in two flavors.
Few know the globe's nooks and crannies more intimately than Kathryn Sullivan — explorer and student of the sky and the sea.
Reference SOFIA, the Stratospheric Observatory For Infrared Astronomy, was a telescope mounted on a Boeing 747 SP aircraft that studied infrared light, essentially heat, emitted by objects in the universe.
Going to the moon is hard, and Israeli nonprofit SpaceIL is one of a handful of organizations that knows exactly how hard.
The CHIME radio telescope aims to explain two poorly understood cosmic phenomena, one dating back to the early universe and one taking place today.