Jeremiah Ostriker, Who Plumbed Dark Forces That Shape Universe, Dies at 86

Jeremiah Ostriker, an astrophysicist who helped set off a revolution in humankind’s view of the universe,…

SpaceX Astronauts Splash Down Off California Coast for the First Time

Four private astronauts ended a mission in a SpaceX vehicle on Friday by splashing down in…

SpaceX Puts Humans in Orbit Over Earth’s Poles for the First Time

A SpaceX rocket blasted off Monday night from Florida, the first trip to put humans into…

Photos: Partial Solar Eclipse Captivates Much of the Northern Hemisphere

As the sun rose in the Northern Hemisphere on Saturday, the moon cut across Earth’s orbit…

NASA Astronauts Speak for First Time After 9-Month Stay in Space at ISS

After a stay aboard the International Space Station that unexpectedly stretched to nine and a half…

Orbital Rocket Crashes After First Launch From Continental Europe

The engine shuddered to life around half past noon local time on Sunday, and with a…

When Is the Next Solar Eclipse? Where and How to Watch the 2025 Partial Eclipse

Another eclipse is upon us. On Saturday, the moon will cast its shadow on Earth’s surface,…

When Is the Next Solar Eclipse? Where and How to Watch the 2025 Partial Eclipse.

Another eclipse is upon us. On Saturday, the moon will cast its shadow on Earth’s surface,…

Gaia to Shut Down After More Than a Decade of Mapping the Milky Way

From ancient star streams to the innards of white dwarfs, the Gaia space telescope has seen…

NASA’s Webb Telescope Spots Auroras on Neptune for the First Time

The vermilion, amethyst and jade ribbons of the northern and southern lights are some of Earth’s…