The meteors are coming! Three annual meteor showers are already active and guaranteed to spark up your summer nights.
Kepler’s K2 mission has confirmed 104 new exoplanets — including a rocky, four-planet system.
The dwarf planet has a paucity of big pockmarks because it has somehow erased them.
An underground detector reports zero detections of weakly interacting massive particles (WIMPs), the top candidate for mysterious dark matter.
The MeerKAT radio telescope has produced its first light image — even at quarter-strength, it’s already the best of its kind in the Southern Hemisphere.
New research on seasonal streaks in Martian canyons provides evidence against underground pools of water.
The Mars 2020 rover reached a third crucial milestone this past week on the path to the launch pad.
A world-renowned lunar cartographer, whose beautiful atlases have become prized possessions, has died at age 83.
Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.
New observations solve a 30-year-old puzzle of mysterious signals from around black holes.
Astronomers take a second look at UGC 1382 — previously considered a typical elliptical galaxy — and reassess everything they know about its size, age, and formation.
Some 200 of the mission’s surviving scientists and engineers and their families, along with many younger space explorers inspired by the Vikings, gathered to celebrate the 40th anniversary of the Viking 1 landing.
First spied last year, an object designated 2015 RR245 turns out to be one of the largest and most distant objects yet found orbiting the Sun.
A new Hubble Space Telescope image shows the very heart of the Crab Nebula, one of the most studied supernova remnants.
Abandoned for 25 years, a 12-meter antenna once used during the Cold War is now introducing astronomy students to the radio universe.
Astronomers have discovered a giant planet with an exceptionally wide orbit in a young system of three suns.
In its first — and final — month of flight, the Hitomi X-ray observatory measured the calm within the bubbling core of the Perseus Cluster.
Kepler-108 is the first system observed with really wonky orbits, which may be a result of giant planets bumping into each other.
After a 5-year-long journey, NASA's latest emissary to the largest planet in the solar system has arrived at its destination.
A recent glut of exoplanet research reveals the early chaos that helped shape planetary systems.
Spectral observations by NASA’s Dawn spacecraft reveal that the dwarf planet’s mysterious beacon is made of salt.
Sky & Telescope's astronomy podcast takes you on a guided tour of the night sky. In early evening look for Jupiter in the southwest, with Mars and Saturn embedded in Scorpius toward south.
The discovery of a chiral molecule in space has the potential to sort out one of the biggest mysteries in the chemistry of life.
Amateur astronomy has lost a dedicated observer and successful visual comet hunter.
A recently discovered asteroid plays leapfrog with Earth as they both orbit around the Sun.