The "extraordinary level of conservation" of the tulip tree's mitochondrial genome redefines our understanding of flowering plants' evolution, say researchers.

A rare celestial object called a blazar randomly flares up - flooding the sky with the Universe's highest-energy light - just after telescopes point to it.

Drinking a cup of beetroot juice can lower blood pressure, researchers say.

The European Parliament has narrowly voted against a plan designed to breathe new life into the ailing carbon market.

Iran is hit by a 7.8-magnitude earthquake, the most powerful for 40 years, with tremors felt across Pakistan, India and the Middle East.

A seal boards a Royal Navy amphibious-assault ship as it prepares to carry out military exercises near Carnoustie.