Facing an MLB pitcher changes everything for high school batters. Velocity jumps, breaking balls move sharper, and mistakes disappear. This video documents how hitters adjust—or fail to. The gap in ...

Solar wind speeds have surged to about 500 miles per second,” according to NOAA’s Space Weather Prediction Center a velocity nearly twice the background average, and one that could set the stage for a ...

With modern seismic tomography, Earth scientists have discovered that above Earth's core-mantle boundary (CMB), about 2,900 ...

On December 17, Starlink experienced an anomaly on satellite 35956, resulting in loss of communications with the vehicle at 418 km. The anomaly led to venting of the propulsion tank, a rapid decay in ...

An international team of astronomers has uncovered the most unmistakable evidence yet that the powerful jets launched by ...

From the tragedy of the space shuttle Columbia disaster in 2003 to the now-routine return of commercial spacecraft, heat shields—formally called thermal protection systems—are critical for protecting ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed ...

The motion of neutral molecules in a beam can be manipulated with inhomogeneous electric and magnetic fields. Static fields can be used to deflect or focus molecules, whereas time-varying fields can ...