Cosmic bow shocks are leading astronomers to some of the galaxy's speediest stars.
Data from NASA's NEOWISE mission are giving new insights into comet dust, nucleus sizes, and production rates for difficult-to-observe gases like carbon dioxide and carbon monoxide.
NASA's NEOWISE mission has observed 158,000 asteroids and discovered more than 35,000 since December 2009.
A giant gathering of galaxies has been spotted 8.5 billion light-years away.
Astronomers may have found the source of a particularly hard-to-spot group of near-Earth asteroids, thanks to a once-dormant NASA space telescope.
An older planet may have reclaimed its youthful glow, according to new evidence from NASA's Spitzer Space Telescope.
Researchers fine-tune maps of our galaxy's spiral arms using data from NASA's WISE mission.
A remote galaxy shining with the light of more than 300 trillion suns has been discovered using data from NASA's Wide-field Infrared Survey Explorer (WISE).
An asteroid discovered by NASA's NEOWISE spacecraft has a new designation: 316201 Malala, to honor Malala Yousafzai of Pakistan, who received the 2014 Nobel Peace Prize.
A sudden eruption around an exceptionally young star surprises astronomers.