The discovery of a new feature on Jupiter gave NASA’s Juno mission an opportunity to image an emerging storm up close.
Stunning images of the night remind us why we need to protect dark skies. See the photos that won the International Dark-sky Association's contest.
NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.
Have some time on your hands? Explore NASA's rich image archive and discover the solar system as you've never seen it before.
Each year, the American Astronomical Society confers the Chambliss Amateur Achievement Award for significant astronomical research carried out by an amateur astronomer. This year the award goes to Dennis Conti of the AAVSO.
A new database from the American Association of Variable Star Observers enables astronomers (amateur and professional alike) to store data from any variable object in the sky.
Track satellites, spot flashes on the Moon, monitor violent stars — learn how amateur astronomers can become involved in professional science.