Space
- Astronomy
Astronomers may have spotted the ghost galaxy that hit the Milky Way long ago
Astronomers think they’ve identified a galaxy that hit the Milky Way and ruffled its edges millions of years ago.
- Chemistry
Carbon plays a starring role in the new book ‘Symphony in C’
In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.
- Astronomy
50 years ago, scientists wanted to build solar panels on the moon
In 1969, scientists proposed building solar panels on the moon to convert the sun’s energy into electricity that can be used on Earth.
- Astronomy
In a first, magnetic fields have been spotted between two galaxy clusters
The discovery of magnetic fields in the gaseous filament between two galaxy clusters suggests that some large cosmic structures are magnetized.
- Astronomy
The accretion disk around our galaxy’s black hole has been spotted at last
The Milky Way's central black hole has a disk of gas and dust orbiting it, astronomers can finally say with confidence.
- Astronomy
Watch the oldest surviving film of a total solar eclipse
A short film of the 1900 total solar eclipse was restored by conservation experts and is now available to view online.
- Astronomy
Questions about solar storms, slingshot spiders and more reader feedback
Readers had questions about solar storms, a robotic gripper, slingshot spiders and more.
- Planetary Science
Icy volcanoes on Pluto may have spewed organic-rich water
Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.
- Physics
100 years ago, an eclipse proved Einstein right. Today, black holes do too — for now
In 1919, an eclipse affirmed Einstein’s famous general theory of relativity. Now scientists hope to use black holes to poke holes in that idea.
- Physics
Big black holes can settle in the outskirts of small galaxies
Astronomers have found dozens of surprisingly massive black holes far from the centers of their host dwarf galaxies.
- Planetary Science
China’s lunar rover may have found minerals from the moon’s mantle
The Chang’e-4 mission spotted material on the lunar surface that appears to contain bits originating from the moon’s interior.
- Planetary Science
Apollo-era moonquakes reveal that the moon may be tectonically active
Moonquakes recorded decades ago suggest the moon is tectonically active. Knowing more about that activity could help scientists identify where to land future spacecraft.
