fusion
Latest about fusion
![A close-up photo of a warty comb jelly glowing in the deep sea](https://cdn.mos.cms.futurecdn.net/T4t4DptZwXPoCCgdtT8F28-320-80.jpg)
Scientists accidentally find deep-sea 'jelly' creatures merged into 'single entity' after injury, revealing bizarre new behavior
By Harry Baker published
Researchers discovered that some comb jellies can fuse their bodies together when injured. The unique adaptation, which involves merging their nervous systems and stomachs, has never been seen in any other species.
![An artist's illustration showing a robot and human hand touching a book emerging from an open laptop.](https://cdn.mos.cms.futurecdn.net/zedqhBfCMRkigz7hCW3mMH-320-80.jpg)
AI models could devour all of the internet’s written knowledge by 2026
By Ben Turner published
A new estimate suggests that AI could use up all of the internet’s text data within the next few years. The next recourse could be private information, a new study warns.
![A view into the target chamber at the National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory in Livermore, California.](https://cdn.mos.cms.futurecdn.net/ghK4YLvA6FrD4XJ5SV9Zzb-320-80.jpg)
2nd nuclear fusion breakthrough brings us a (tiny) step closer to limitless clean energy
By Ben Turner published
The breakthrough marks the second time that the core of a fusion reactor has given out more energy than it has taken in, but significant challenges remain.
![Bill Nye, an author, science educator, inventor, engineer, comedian and Emmy Award-winning television presenter, talks about his new series "The End is Nye" at Meridian Hall on March 29, 2023 in Toronto, Ontario.](https://cdn.mos.cms.futurecdn.net/5WvkstiACc4CLLVmGgRMD-320-80.jpg)
Fusion power key to Earth's survival, says Bill Nye in exclusive interview
By Laura Geggel published
Bill Nye the Science Guy talks about what he would get our planet for Earth Day and "evidence-based optimism" in light of his latest show, "The End is Nye."
![The NIF's laser target positioners take aim.](https://cdn.mos.cms.futurecdn.net/7E7BvBrxMDP5pCvLWugTaW-320-80.jpg)
8 times physics blew our minds in 2022
By Ben Turner published
Nuclear fusion, lab-simulated wormholes, and ramming distant asteroids, here are the biggest and best physics stories of the year.
![NASA’s Solar Dynamics Observatory captured this image of a solar flare — as seen in the bright flash on the top right — on Oct. 2, 2022. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares and which is colorized in orange.](https://cdn.mos.cms.futurecdn.net/k5SyxoUqNhTQwvuWdkHR9G-320-80.jpg)
What is nuclear fusion?
By Nola Taylor Redd, Tia Ghose published
Nuclear fusion is the merging of two light atomic nuclei into one heavier one. If it can be harnessed on Earth, it could generate clean, limitless energy.
![The National Ignition Facility's fusion reactor uses 192 laser beams to focus laser light into a hot-spot the diameter of a human hair.](https://cdn.mos.cms.futurecdn.net/bTYCRGKnLGYaXqGeTJ4uFd-320-80.jpg)
Nuclear fusion reactor core produces more energy than it consumes in world-first demonstration
By Ben Turner published
The breakthrough marks the first time that the core of a fusion reactor has given out more energy than it has taken in, but significant obstacles still need to be overcome.
![The doughnut-shaped fusion chamber of the TCV contains the superheated hydrogen plasmas in powerful magnetic fields to keep it from damaging the walls.](https://cdn.mos.cms.futurecdn.net/ohbkWWbsmQpUxsaLqbiadD-320-80.jpg)
Physicists just rewrote a foundational rule for nuclear fusion reactors that could unleash twice the power
By Tom Metcalfe published
Future fusion reactions inside tokamaks could shine even brighter than before, thanks to groundbreaking new research to find the maximum density of the hydrogen plasma fuel that powers them.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.