Toxic radiation in groundwater at Fukushima: operator

Cancer-causing radioactive substances have been found in groundwater at the crippled Fukushima nuclear plant, its Japanese operator said on Wednesday, as it pledged to prevent it getting into the sea.

Neon lights up exploding stars

(Phys.org)—An international team of nuclear astrophysicists has shed new light on the explosive stellar events known as novae.

Cosmic rays reveal event in Earth's magnetic field history

41 000 years ago, the Earth's magnetic field faded and practically disappeared, leaving our planet unprotected from the bombardment of cosmic rays. Evidence for this event has been found in ocean sediment cores by a team ...

Greenland rocks provide evidence of Earth formation process

(Phys.org)—Rocks dating back 3.4 billion years from south-west Greenland's Isua mountain range have yielded valuable information about the structure of the Earth during its earliest stages of development. In these rocks, ...

page 8 from 11