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Gravitational waves: What are they?
If you understand how a trampoline works, you'll be able to understand what gravitational waves are.
October 17, 2017
Gravitational waves, and more, from merging neutron stars
On Monday, LIGO and Virgo announced the 1st detection of gravitational waves produced by colliding neutron stars, and 1st observed in both gravitational waves and light. "It ushers in a new era in astronomy."
October 16, 2017
Egg-shaped Haumea has a ring
Dwarf planet Haumea - which orbits our sun in Pluto's realm of the solar system - has become the first trans-Neptunian object known to be encircled by a ring.
October 16, 2017
Intense storms batter Saturn moon Titan
“I would have thought these would be once-a-millennium events, if even that,” said a researcher. Instead, the storms on Titan happen about once a Saturn-year, creating massive floods in an otherwise-desert terrain.
October 14, 2017
Peering to the Milky Way’s far side
Astronomers use parallax to directly measure the distance to a star-forming region on the opposite side of our Milky Way galaxy, nearly doubling the previous distance record.
October 14, 2017
Asteroid to sweep close October 11-12
Asteroid 2012 TC4 is being used as a test of Earth's global asteroid defense system. How to see it online.
October 11, 2017
This region on Mars may hold clues to earthly life
Evidence for deep-sea hydrothermal vents in the Eridania basin of southern Mars. Even if Mars never had life, this region may tell us about the type of environment where life on Earth may have begun.
October 10, 2017
Forecast for Mercury: Morning micro-meteor showers
Mercury - with only the thinnest of atmospheres - has a continuous rain of micro-meteors wherever on the planet dawn is breaking.
October 9, 2017
Did the moon once have air?
We know that ancient lunar volcanos spewed lava. Gases rising from the lava might have accumulated around the moon to form a temporary atmosphere, 3 to 4 billion years ago.
October 8, 2017
5 new pairs of merging supermassive black holes
Merging black holes are the sorts of catastrophic events that produce the strongest gravitational waves. Scientists just announced 5 new pairs, in the centers of distant galaxies.
October 8, 2017
