LIGO scientists have announced the direct detection of gravitational waves, a discovery that won’t just open a new window on the cosmos – it’ll smash the door wide open.
Astronomers have detected hundreds of galaxies lying hidden behind our galaxy’s disk, many of which belong to the so-called Great Attractor.
NASA has assembled the primary mirror for the James Webb Space Telescope, a big step on the way to the telescope’s October 2018 launch.
Observations of nearly 9,000 galaxy clusters support the idea that fast-forming clusters huddle together more.
New images of four disks around forming stars known as protostars suggest that the star formation process is much more violent than previously thought.
Learn how to spot the Winter Hexagon and see the first-quarter Moon for Valentine’s Day.
The Orion Nebula gets a lot of attention from observers and rightly so, but we sometimes pass by a host of other deep-sky objects and double stars right at its doorstep.
This month’s audio sky tour starts before dawn, when you can spot all five bright planets by eye, and moves to the sparkling stars seen on winter evenings.
Amateur astronomer Daryll LaCourse has discovered several new exoplanet candidates and more than 100 eclipsing pairs of stars.
The largest national association of astronomers is now the new home of a virtual observatory known as the WorldWide Telescope.