On the Frontier
The gravity of the galaxies that form a cluster known as Abell 2744 warps and magnifies the view of more-distant…
The gravity of the galaxies that form a cluster known as Abell 2744 warps and magnifies the view of more-distant…
The star cluster M3 contains many “reborn” stars among its half-million members. These stars have merged with other stars or…
The Cassini spacecraft saw this glorious view of Saturn and its family of rings in 2013. The spacecraft was viewing…
Billowing clouds of gas and dust fill this Spitzer Space Telescope image of part of the Milky Way galaxy. Most…
This sequence of images depicts the landing of the Huygens probe on Saturn’s moon Titan on January 14, 2005. Clockwise…
A kink in one of its spiral arms suggests that the galaxy M66 recently staged a close encounter with a…
Evidence of an Encounter Read More »
A brilliant aurora blazes high in Earth’s atmosphere in this photo from the International Space Station. An aurora forms when…
A burned-out Earth bakes in the heat of the red-giant Sun in this illustration depicting our planet’s bright, hot future.…
Scientists look for the most elusive particles in the universe in underground laboratories, such as this one adjacent to an…
Underground Astronomy Read More »
A system known as Scholz’s Star passes just 0.8 light-years from the Sun as seen in this artist’s concept. That…