Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

Astronomers have detected spacetime itself being dragged and twisted by a spinning black hole for the first time. The discovery, seen during a star’s violent destruction, confirms a prediction made ...

ENSURING AMERICAN SPACE SUPERIORITY: Today, President Donald J. Trump signed an Executive Order that sets a bold vision for an America First space policy, ensuring the United States leads the world in ...

NASA JPL pinpoints the moment the interstellar visitor passes closest to our planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Interstellar ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

Michaela 'Michi' Benthaus is an aerospace and mechatronics engineer at the ESA. Blue Origin will make history when it sends the first person who uses a wheelchair past the Kármán line, an ...

The time is ripe to end the “Wolf Amendment,” a congressional bar inhibiting civil collaboration between the United States and China in space. The impetus for the law was noble — an attempt to ...

There may be no enterprise that lends itself so well to the camera as space travel. The universe is a riot of color and light—of galaxies and planets and brightly hued moons. The people who explore ...