Space
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
- Planetary Science
Earth may be home to unearthly life
No need to look on other planets for new forms of life — weird life could exist right here on Earth.
- Space
Cosmic mystery
High-energy invaders from space could signal a nearby pulsar, or perhaps dark matter.
By Susan Gaidos - Tech
Two satellites collide in Earth orbit
In an unprecedented collision, two large satellites crashed into each other in low-Earth orbit on February 10.
By Ron Cowen - Space
About-face: A look at the moon’s farside
Researchers have for the first time mapped the gravitational field of the moon’s farside — the lunar half that is permanently turned away from Earth.
By Ron Cowen - Chemistry
New money for undergraduate research
A new program will foster interdisciplinary physical-science research at predominantly undergraduate colleges.
By Janet Raloff - Space
Early galaxy bulges in the middle
By tracing star birth in a galaxy that existed when the universe was less than 1 billion years old, researchers have captured what appears to be the formation of a key galactic component — a central concentration of stars known as the bulge.
By Ron Cowen - Space
Smallest known transiting planet discovered
Astronomers have found the smallest known extrasolar planets that is blocking light from its parent star. The discovery could help reveal information about the structure of planets that may resemble Earth.
By Ron Cowen -
- Space
Big black holes may not stop star birth
New study suggests models may have given these supermassive beasts too much credit.
By Ron Cowen - Earth
Oldest zircon fine-tunes history of moon’s formation
Mineral bit provides clues about when our cosmic companion formed its crust.
By Sid Perkins - Space
Whiff of Martian methane offers lively possibilities
The definitive discovery in Mars’ atmosphere of methane — often, but not always, a compound hinting at life — introduces the possibility of underground organisms.
By Ron Cowen - Space
Tuned in to new noise from the cosmos
Unexplained radio noise may be signals from the early universe.
By Ron Cowen