telescope
Astronomers Discover a Small Exoplanet That's Our Cosmic Neighbor at Just Six Light-Years Away
Orbiting Barnard's star, the nearest solo star to Earth, the world is too hot to be habitable—a scorching 257 degrees Fahrenheit
Mysterious 'Wow!' Radio Signal Might Finally Have an Explanation—and No, It's Not Aliens
The infamous signal recorded in 1977 might have been a laser-like beam of radiation from a hydrogen cloud energized by a powerful, magnetic star, preliminary research suggests
NASA Retires Orbiting Telescope That Charted Asteroids for Over a Decade
NEOWISE, which looked for potentially hazardous objects in the solar system, received its last command on Thursday and will burn up when it re-enters Earth's atmosphere
See 25 Stunning Images of the Cosmos From the Chandra X-Ray Observatory as It Celebrates 25 Years in Space
Chandra, the world’s most powerful X-ray telescope, has been peering at black holes, stellar explosions and dark energy for a quarter-century
Astronomers Spot Rare, Mid-Sized Black Hole in Our Galaxy
The black hole, if confirmed, is in the star cluster Omega Centauri, about 17,700 light-years away, and it could hold lessons about how such structures are formed
This Nearby Exoplanet Is Hot, Dangerous—and Smells Like Rotten Eggs
Located about 64 light-years away from Earth, the world is the first place astronomers have detected hydrogen sulfide outside our solar system
This Revolutionary New Observatory Will Locate Threatening Asteroids and Millions of Galaxies
Beginning next year, the Vera C. Rubin Observatory will use the world’s largest digital camera to give us a whole new view of the universe
This Giant Cosmic 'Butterfly' Is a Planet-Forming Disk
New research has confirmed that the celestial object may be the biggest of its kind ever found
See Five Dazzling New Images of the Cosmos, Captured by Europe's Space Telescope
With its visible and infrared photography, Euclid—known as the "dark universe detective"—is helping astronomers better understand dark matter and dark energy
See New Images of the Horsehead Nebula, Captured in Striking Detail by the James Webb Telescope
The beautiful infrared imagery features one of the best known locations in space to study the evolution of stars and interstellar matter
A Stellar Collision Birthed the 'Dragon's Egg' Nebula, a Puzzling Structure in the Milky Way
The colorful cloud of gas and dust has a violent origin—and this explains the unusual traits of two massive stars within it, astronomers say
Astronomers Discover a 'Sleeping Giant' Black Hole in Our Galaxy—the Second-Closest Known to Earth
Called Gaia BH3, the dormant black hole is 33 times more massive than the sun, making it the largest recorded stellar black hole in the Milky Way
Dark Energy Could Be Evolving Over Time, Raising Questions About the Nature of the Cosmos
The largest 3D map of the universe ever made hints that dark energy might not be a constant, though the findings must be backed up with more data
Five Fascinating Science Projects Using the Total Solar Eclipse to Illuminate New Discoveries
The NASA-supported experiments are mobilizing legions of researchers and volunteers to capture wide-ranging observations during totality, from amateur radio operations to elusive solar plumes to unusual animal behavior
What It Takes to Complete the Ultimate Skywatching Endurance Challenge
The "Messier marathon" prompts space hobbyists to spot 110 celestial objects in one night, and the best time to try it is in March
This Planned NASA Telescope May Help Us Identify Worlds Like Our Own
The innovative Habitable Worlds Observatory will offer ways to detect signs of life on other planets
Giant, 'Odd' Circles of Radio Waves in Space May Finally Have an Explanation
The mystifying orbs could be caused by galactic winds, propelled by a period of rapid star formation and death
What Are These Mysterious Dark 'Spokes' on Saturn's Rings?
A Hubble image highlights the seasonal features, which scientists think could be caused by interactions between the planet's magnetic field and solar wind
See the 'Sparkling Snow Globe' Galaxy Captured by the Hubble Space Telescope
The new, holiday-inspired image features UGC 8091, an "irregular" dwarf galaxy in the constellation Virgo
James Webb Telescope Captures Image of Supernova That 'Absolutely Shattered' a Star
The new image gives astronomers a near-infrared look at the stellar explosion called Cassiopeia A, located around 11,000 light years away from Earth
Page 1 of 4