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Physics3986 articles archived since 1845

You Live in a Strange Solar System

Astronomers found that other star systems tend to host similarly sized exoplanets—far different from ours. Christopher Intagliata reports.

January 10, 2018 — Christopher Intagliata

Make a Black Hole

A spacetime science activity from Science Buddies

December 7, 2017 — Science Buddies and Ben Finio

Computers Learn to Use Sound to Find Ships

Researchers trained machine-learning algorithms to pinpoint the location of a cargo ship simply by eavesdropping on the sound of its passing. Christopher Intagliata reports.

December 5, 2017 — Christopher Intagliata

Inflating the Universe with Prize-Winning Cosmologist David Spergel

This year’s Breakthrough Prize in Fundamental Physics was awarded to the team behind NASA’s Wilkinson Microwave Anisotropy Probe, or WMAP, a space telescope that launched in 2001 to map the cosmic microwave background—the earliest, oldest light we can detect from the universe’s infancy. The WMAP team will split the $3 million award, with its leaders receiving the largest shares. One of those leaders, WMAP’s chief theorist David Spergel, sat down to speak with Scientific American about WMAP’s science and its legacy. 

December 4, 2017 — Lydia Chain, Michael D. Lemonick and Lee Billings
Physics

Help Us Reforest the Mississippi River Valley