Shocking Behavior
An embryonic star fires high-speed jets of particles away from its poles, forming shockwaves as it rams into gas and…
An embryonic star fires high-speed jets of particles away from its poles, forming shockwaves as it rams into gas and…
A good home for future lunar colonists might be pit craters — holes in the surface that are part of…
A pair of scientific satellites with widely differerent goals launches from Japan on September 7 (Japanese time). XRISM (X-Ray Imaging…
Millions of stars plus dark lanes of dust highlight this James Webb Space Telescope image of M51, the Whirlpool Galaxy.…
Astronomers have discovered more than 5,000 planets in other star systems, most of them found by the Kepler space telescope.…
India's Chandrayaan-3 spacecraft snapped this image of the farside of the Moon on August 19. The craft dropped a lander…
A Japanese mission, MMX, shown in this artist's concept, is scheduled for launch in about a year. It will land…
Sampling a Martian Moon Read More »
This monument, dedicated 50 years ago, in Philadelphia, honors Nicolaus Copernicus, an astronomer who placed the Sun at the center…
Our home galaxy, the Milky Way, is one of the leading members of the Local Group, a collection of at…
The Gang’s All Here Read More »
M31, the Andromeda Galaxy, is the nearest giant galaxy to the Milky Way, just 2.5 million light-years away. Its size…