It's common knowledge that the woman in Leonardo da Vinci 's most famous painting seems to look back at observers, following them with her eyes no matter where they stand in the room.
Astronomers have just discovered a galaxy with a supermassive black hole at its core, and it's located over 12.8 billion light-years away from Earth, just a billion years shy of the Big Bang.
Vivid flecks of blue discovered in the teeth of a 1,000-year-old skeleton from the medieval era have given scientists a rare glimpse into an ancient woman's past.
Planet Earth is alive. Deep beneath its skin, its life blood — rivers of molten iron — pulse around its core. And this mobile iron is what generates the magnetic field that causes auroras — and keeps us alive.
The Sun produces 3.86 x 10^26 watts of energy, or 2.86 with 24 zeros at the end, an impossibly large number. But when the Sun dies, it will turn into an enormous crystal ball, according to a new study.
Asian Carp has been deemed the enemies of America’s waterways, threatening to take over the Great Lakes and cause a disaster to the country’s ecosystem. Now, the battle against the invasive fish is becoming more aggressive, more expensive and more desperate.
Bacteria on the International Space Station are evolving and changing in their strange orbital environment -- but according to a new study, they don't seem to be any more dangerous to humans.
Canadian astronomers have discovered a repetitive radio signal some 2.5 billion light-years away from Earth — only the second example known to mankind.
Nearly a month after it reached its destination, circling the asteroid Bennu, NASA's OSIRIS-REx spacecraft has snapped an incredible image of the Earth.
The wrecks of two famous Royal Navy ships that were lost on a doomed Arctic mission to locate the Northwest Passage have sparked talk of a modern ‘curse.’
A startling new study is shedding new light on how much energy has been put into the Earth's oceans over the past 150 years – the equivalent of an atomic bomb explosion once per second for 150 years.