The Ordovician extinction is thought to have killed off about 60 percent of the invertebrate sea creatures at a time when most of Earth's species lived in the ocean; the late Devonian event eliminated ...

New research suggests that powerful star explosions, called supernovae, may have caused at least two mass extinctions in ...

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...

Supernovas are powerful explosions marking the death of massive stars. They spread elements like carbon, calcium, and iron ...

A supernova — the explosive death of a massive star — can leave behind a black hole or neutron star. These cosmic blasts are element factories, spreading carbon, calcium, and iron across space, ...

Ponyo's parents, Fujimoto & Granmamare, are a gender-bent version of the Hans Christian Andersen fairy tale, "The Little ...

Look at this CNN poll from Sunday. The Democratic Party’s favorability rating is 29 percent. That’s in part because just 63 ...

A William Paterson University professor has filed a lawsuit claiming his irreplaceable collection of 380 million-year-old ...

Diversity increased progressively through the Palaeozoic, and in the Devonian forms started to appear with massive ... possibly triggered by ever rising levels of ocean productivity. Echinoids ...

With the establishment of ocean and atmosphere ... Carboniferous 340 million.years. Devonian 370” Ordovician 430” Algonkian 1,000 a -i j 1,000 Archrnan ^ (1,630 We must not moan over the ...