The launch of ESA's ExoMars Trace Gas Orbiter and Schiaparelli lander heralds a new phase of Mars exploration.
Baptized in the fire of yesterday's total solar eclipse, a very young crescent Moon emerges into the night sky.
An innovative CubeSat mission, slated to take to space this year, will demonstrate the feasibility of free-flying satellites.
Spiraling stars and light-soaking dust clouds enliven the heart of this lesser-known planetary nebula NGC 2346 in Monoceros. Will you be the first to catch it playing peekaboo again?
We need to learn how to talk about possible signs of extraterrestrial intelligence.
The lure of dark skies often takes us to unfamiliar places where nocturnal animals and encounters with strangers can ignite our primal fears.
NASA is commencing work on the Wide Field Infrared Survey Telescope (WFIRST), the successor to the Hubble and the James Webb Space Telescopes.
Japan’s newest X-ray satellite, Hitomi (formerly Astro-H), promises to reveal the hot and hidden universe.
Jove begins a new apparition with a redder Red Spot, pirouetting moons, and ever-changing cloudscapes.
Put the Great Nebula in Orion in the backseat and pay a visit to its humble neighbors
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.
This week and early next will be your last chance to see five planets — six if you count Earth — at dawn.
Does the cold make you think twice about winter observing? Here are a few tips on how to do it in comfort.
The Pale Red Dot Initiative has begun the search in earnest for exoplanets orbiting the nearest star to Earth besides the Sun.
Asterisms appeal to our playful side but also serve as key waypoints in the sky for identifying fainter stars and constellations.
The Lunar Reconnaissance Orbiter has finally spotted the impact of the Apollo 16 booster, more than 43 years after it happened.
In winter, we face the Milky Way's anticenter, a little-explored region offering goodies for telescopes both large and small. Few give much thought to the Milky Way's anticenter, a lonely locale 180° opposite the busy metropolis of Sagittarius, where the summer Milky Way glitters like Vegas. On winter nights, Sagittarius lies behind us, hidden by Earth's bulk. Step outside around 8:30…
A look ahead to see what new and returning comets will spice up the new year.
An unexpected omnibus spending package for fiscal year 2016 raises NASA's funding.
Are we alone in the universe? Recent results don't support that conclusion, despite what the headlines say.
After a tremendously successful mission, Venus Express has orbited its last.
Musing on a long-lost Asimov gem.
China's recently launched Dark Matter Particle Explorer (DAMPE) takes the hunt for elusive dark matter to space.
Three stars that once belonged to Orion flew the coop millions of years ago, but you can catch up with them with binoculars the next clear night.
An astrobiologist comes to grips with the new cosmology results.