Science Nov 08

The solar system's smallest, innermost planet will resemble a tiny black dot Monday. The rare celestial show begins at 7:35 a.m. EST.

Science Oct 17

As NASA astronauts Christina Koch and Jessica Meir completed the job with wrenches, screwdrivers and power-grip tools, it marked the first time in a half-century of spacewalking that men weren't part of the action.

Nation Jul 20

Celebrations are in full swing across the country for the 50th anniversary of humanity’s first footsteps on another world.

Nation Jul 16

Collins returned Tuesday to the exact spot where he flew to the moon 50 years ago with Neil Armstrong and Buzz Aldrin.

Nation May 04

SpaceX launched a load of supplies to the International Space Station on Saturday following a pair of unusual power delays.

Nation Mar 03

SpaceX’s new crew capsule arrived at the International Space Station on Sunday, acing its second milestone in just over a day.

Nation Mar 02

America's newest capsule for astronauts rocketed Saturday toward the International Space Station on a high-stakes test flight by SpaceX.

Nation Feb 22

Israel seeks to become only the fourth country to successfully land on the moon, after Russia, the U.S. and China.

Nation Aug 12

A NASA spacecraft zoomed toward the sun Sunday on an unprecedented quest to get closer to our star than anything ever sent before.

Nation Jun 27

NASA announced Wednesday that the James Webb Space Telescope will now fly no earlier than 2021.