Astronomy
- Space
Alien hunter redirects her search to Earth-based funding
SETI scientist Jill Tarter retires from research to focus on raising funds to continue search for extraterrestrial life.
- Space
An interview with alien hunter Jill Tarter
The director of Center for SETI Research is retiring to focus on finding funds to continue the hunt for extraterrestrial life.
- Space
Stellar superflares’ trigger challenged
Massive eruptions on sunlike stars might not require magnetic interactions from a big, hot, nearby planet.
- Astronomy
Sun’s shock wave goes missing
Spacecraft observations redraw astronomers’ ideas about the local stellar environment.
- Space
More than one way to explode a star
New observations confirm two leading theories of type 1a supernova production.
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- Astronomy
A star is torn
A black hole’s stellar feast is witnessed by telescopes on Earth and in orbit.
- Astronomy
Ancient scribes may have banked on blinking binary
For the Egyptians, luck may have been written in the Demon Star.
- Humans
A result of zero doesn’t always mean zero results
Two recent astrophysics studies found meaningful results in nothing.
- Space
Earth took a multibillion-year beating
Asteroids pummeled the planet for billions of years as the Late Heavy Bombardment tapered off, new estimates suggest.
- Astronomy
Dark matter search turns up empty
New calculations suggest dearth of invisible substance in solar neighborhood.
- Space
Hunt for cosmic ray source falls short
After failure to detect neutrinos from gamma-ray bursts, scientists might need to revise theories.
