It is well known that the Universe began with the Big Bang about 13.7 billion years ago. Very soon after that event, the first stars formed. Today, those stars are dead and gone leaving…
Researchers at New York University and Israel's Weizmann Institute of Science have identified patterns of brain activation linked to the formation of long-term memories. The study,…
Astronomers have discovered that terrestrial planets might form around many, if not most, of the nearby sun-like stars in our galaxy. These new results suggest that worlds with potential…
Astronomy is entering a new golden age of discovery led by breakthroughs in telescopes and instruments making them capable of observing distant events early in the life of the universe.…
Nearly 12.5 million light-years away in the dwarf galaxy NGC 4449 a veritable stellar 'fireworks' is on display - here shown in exquisite detail through the eyes of the Hubble Space…
Wood is formed from secondary xylem tissue consisting of cells with a heavily thickened secondary cell wall that is enriched in lignin and cellulose. In contrast, primary cell walls…