Rocket Lab had its most successful year to date in 2025, with its Electron rocket completing 21 successful flights and the ...

A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

Neutron stars explained through stellar remnants and collapsed stars, revealing extreme density, gravity, magnetism, and ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

Describing matter under extreme conditions, such as those found inside neutron stars, remains an unsolved problem. The ...

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

Rocket Lab's Neutron rocket will use a novel kind of fairing called Hungry Hippo, it stays attached to the first stage after separation.

Avio will build solid rocket motors in Virginia. The governor of Virginia, Glenn Youngkin, announced Wednesday that Avio USA has selected his state to produce solid rocket motors for defense and ...

A distant neutron star unexpectedly reawakened, unleashing a powerful X-ray surge that may reveal how the universe’s most ...

Most new nuclear fission reactors being built today are of the light water reactor (LWR) type, which use water for neutron moderation into thermal neutrons as well as neutron capture. While ...

A research team at the Facility for Rare Isotope Beams (FRIB) is the first ever to observe a beta-delayed neutron emission ...

Jeff Garcia, who voiced the “Jimmy Neutron” character Sheen Estevez, has died. He was 50. Garcia’s son Jojo announced the news via Instagram on Wednesday, Dec. 10.