Here is the first photo of a black hole
On Wednesday, the Event Horizon Telescope released the first-ever image of a black hole, a historic moment shared by scientists spread around the world.
WATCH: What does a black hole look like? Scientists reveal the first picture
The Event Horizon Telescope is expected to release the first image of a black hole on Wednesday. In preparation for what might be a momentous day, here’s what you need to know.
Why the northern and southern lights don’t always look identical
On a clear night, people near the poles might see colorful light wafting across the sky. New research could explain why these auroras don't look the same to everyone .
What is a blazar? Its high-energy flares could unlock the foundations of the universe
How 300 scientists in 12 countries across four continents detected one of the universe's most elusive particles.
Oumuamua is almost certainly a comet, albeit one fittingly alien from those we find orbiting the sun, according to a new study published Wednesday.
If all goes according to plan, two spacecraft will commence close encounters with two asteroids by the end of August, in order to retrieve organic materials dating back to the solar system’s birth.
The European Space Agency’s Gaia mission has released a catalog, the most detailed to date, of more than 1.5 billion stars in the Milky Way galaxy.
Stephen Hawking, one of the world's most recognizable scientists, died early Wednesday morning. He was 76.
Astronomers witnessed for the first time ever a rare collision of two dense neutron stars. The discovery began with an instrument called LIGO, which won this year’s Nobel Prize for its discovery of gravitational waves once predicted by Albert Einstein.
