WASHINGTON — President Trump declared a national emergency Wednesday to impose his sweeping “Liberation Day” tariffs on almost all imports — with a new 10% baseline rate and harsher ...

Prototaxites fossils continue to divide scientists. These 400-million-year-old structures may belong to a completely extinct branch of life. Since ...

Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it ...

Hypothesis testing is a branch of statistics in which, using data from a sample, an inference is made about a population parameter or a population probability distribution. Let’s look at the purpose ...

One hypothesis to resolve these tensions is that dark energy could ... Dark energy is a hypothetical form of energy that makes up about 68% of the Universe. It is responsible for the acceleration of ...

A hypothesis has been put forward for why Pecco ... Worryingly, the next round is at the Circuit of the Americas where an in-form Marquez could dominate. Bagnaia will be looking at the later ...