We have an exciting line-up of Observatory Night programs this spring! We will learn about the surprising practical benefits of basic scientific research, consider possible signs of alien...

Exoplanet surveys have discovered the first planets with sizes between 2 and 3.5 Earth radii -- slightly smaller than the size of the planet Neptune in our solar system. These planets, du...

Hundreds of thousands of asteroids are known to orbit our Sun at distances ranging from near the Earth to beyond Saturn. The most widely known collection of asteroids, the "main belt," c...

Ultra-luminous X-ray sources (ULXs) are point sources in the sky that are so bright in X-rays that each emits more radiation than a million suns emit at all wavelengths. ULXs are rare. ...

Cambridge, MA - To paraphrase Mark Twain, the report of the Kepler spacecraft's death was greatly exaggerated. Despite a malfunction that ended its primary mission in May 2013, Kepler ...

The Abbe Museum, in affiliation with the Smithsonian Institution, is pleased to announce its participation in the Youth Capture the Colorful Cosmos II (YCCC II) program. This online exhib...

The Sun rotates slowly, about once every 24 days at its equator although the hot gas at every latitude rotates at a slightly different rate. Rotation helps to drive the mechanisms that p...

On Friday, Dec. 12, 1902, Andrew Carnegie moved into his just-finished home at 91st Street and Fifth Avenue, with his wife, Louise, and his 5-year-old daughter, Margaret, to whom he hande...

Cambridge, MA - Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) may have detected the dusty hallmarks of an entire family of Pluto-size objects swarming aroun...

On Friday, NASA successfully launched its next-generation spaceship farther than any astronaut has flown since the Apollo program of the 1960s. Though the Orion was unmanned during the te...