The upcoming total solar eclipse is understandably getting a lot of attention, but don't overlook the trusty Perseids. They'll be getting things warmed up Saturday night.
While millions will watch the August 21 total solar eclipse from the ground, International Space Station crew will have an amazing view high from overhead.
Sometimes it's better to start big and go small. Let the space station be your first step into the wider world of satellite watchin
Saturn keeps its secrets as NASA's Cassini spacecraft heads towards its September grand finale.
Six Sprites, "the world's smallest spacecraft" have entered low-Earth orbit, a small milestone for Breakthrough Starshot's plan for interstellar voyage.
Between the discovery of the new comet ASASSN1 and two stellar explosions, there's a lot happening in the sky this week. Take your telescope out and see what all the excitement's about.
A new study proposes a possible source for the mysterious Mars Trojan asteroids: the Red Planet itself.
Solar finders help you point out the obvious (the Sun) without damaging your eyes or equipment. Here are some easy homemade solutions for you to try.
The European Space Agency switched off its groundbreaking LISA Pathfinder mission this week.
Summer is perfect for bird-watching whether that be in the trees or among the stars of the Milky Way. We explore the celestial birds of the season.
Russia's first crowd-funded satellite, named Mayak (Russian for "beacon of light"), promises to be the “brightest object in the night sky next to the Moon.”
NASA's Juno Spacecraft delivers stunning closeup views of Jupiter's famous swirling Great Red Spot storm.
On June 1, U.S. and European physicists published the latest results in their quest for gravitational waves — tiny ripples in spacetime, generated by energetic events like the collision and merger of distant black holes. Meanwhile, a new gravitational wave observatory is under construction in Japan. Sky & Telescope Contributing Editor Govert Schilling visited the…
At opposition this week and as bright as it will be for the next 190 years, it's time to find your way to Pluto, a frigid enigma at the edge of night.
Researchers are figuring out how to use a nature-inspired "gecko gripper" technology to solve the mounting problem of space debris.
Ah, full Moon. Time to put the telescope away and lead a normal life. Then again, maybe not. Here are 11 things to coax you back out for another look.
What would allow a planet to host life? The habitable zone is often defined as the distance from a star where liquid water can exist on a planet's surface.
Take it from a seasoned professional — the best way to experience a total eclipse, especially your first, is by eye. Put the camera down!
A recent NASA study outlines possible dedicated missions to the "ice giant" planets Uranus and Neptune that might leave Earth as early as 2030.
Meet Humboldt, a magnificent lunar crater compromised by its life on the edge.
Following the release of the 2018 budget, the space agency has ordered an “orderly closeout” for the Asteroid Redirect program.
We examine the fascinating solar phenomena that anyone with a small scope and safe solar filter can see, whether the Sun's in eclipse or not.
China's Hard X-ray Modulation Telescope (HXMT) headed to orbit this past weekend.
Saturn, considered by many the most beautiful sight in the sky, comes to opposition this week with its rings in full tilt. You won't want to miss it.
Xenon measured by the European Space Agency's Rosetta spacecraft has shed light on a long-standing mystery about the role comets played in Earth's formation.