NASA Spacecraft Reveal Mysteries Of Jupiter And Saturn Rings

In a celestial forensic exercise, scientists analyzing data from NASA's Cassini, Galileo and New Horizons missions…

NASA’s Hubble Rules Out One Alternative to Dark Energy

Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of…

Herschel Measures Dark Matter Required for Star-Forming Galaxies

The Herschel Space Observatory has revealed how much dark matter it takes to form a new…

NASA Finds Earth-Size Planet Candidates In Habitable Zone, Six Planet System

NASA's Kepler mission has discovered its first Earth-size planet candidates and its first candidates in the…

NASA To Announce New Planetary Discoveries

NASA will host a news briefing at 1 p.m. EST, Wednesday, Feb. 2, to announce the…

NASA’s Hubble Finds Most Distant Galaxy Candidate Ever Seen in Universe

Astronomers have pushed NASA's Hubble Space Telescope to its limits by finding what is likely to…

NASA Announces Media Teleconference About Hubble Discovery

NASA will hold a media teleconference at 1 p.m. EST on Wednesday, Jan. 26.

NASA Telescopes Help Identify Most Distant Galaxy Cluster

Astronomers have uncovered a burgeoning galactic metropolis, the most distant known in the early universe.

NASA To Preview February Comet Encounter

NASA will hold a news briefing at 1 p.m. EST on Wednesday, Jan. 19, to discuss…

Planck Mission Peels Back Layers Of The Universe

The Planck mission released a new data catalogue Tuesday from initial maps of the entire sky.