Spacecraft, named for Israeli scientist Reuven Ramaty, produces brilliant flash over bombarded Ukrainian city, days after US space agency warned retired craft would fall Wednesday

WR-124, star 30 times as massive as our sun, photographed shedding dust and gas into space in its final throes before expected explosion

NASA rocket will carry Ultraviolet Transient Astronomy Satellite into space, from where $90 million vehicle will scan for transient events to research black holes and supernovas

Crew were killed as craft reentered from orbit; local rabbi recalls how Israel's first astronaut had inquired about keeping Shabbat is space before mission

With NASA mulling nuclear reactor to generate energy, Ben Gurion University expert says his idea would produce same amount of power with six times less mass

Knesset correspondent Carrie Keller-Lynn on last-minute legislation ahead of Thursday's planned swearing-in; environment reporter Sue Surkes on revolutionized egg industry

In a fortunate accident, NASA vehicle searching for ancient microbial life records a few seconds of Martian gusts as dust pings its microphone and winds whip by

Spacecraft splashes down off coast of California, paving the way for live astronauts on the next flyby; capsule carries test dummy wearing Israeli radiation tech

Two super-bright galaxies from universe's earliest years point to stars possibly being formed 100 million years before previously thought, though more data needed to verify claim

First mission in Artemis project carries mannequins -- one of them nicknamed Zohar and wearing Israeli protective suit -- ahead of planned manned mission expected as early as 2025