Space
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
- Planetary Science
Mars rover fails to find methane
A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.
By Erin Wayman - Planetary Science
Cometlike crashes produce building blocks of life
Amino acids in collision residue support importance of extraterrestrial impacts.
-
- Astronomy
At last, Voyager 1 slips into interstellar space
Solar blast data provides definitive evidence that Voyager 1 has cruised beyond the heliosphere and into interstellar space.
By Andrew Grant - Astronomy
Radio telescope images reveal nebula’s heart of carbon
ALMA takes detailed look at elements surrounding dying star.
- Astronomy
The sun’s older twin, 250 light-years away
Almost twice as ancient, the distant star gives a glimpse of the sun's future.
By Andrew Grant - Planetary Science
Titan becomes even more enigmatic
Thick, rigid crust of ice encases Saturn's largest moon, perplexing scientists.
By Andrew Grant - Earth
Map tracks path of dust plume from Chelyabinsk meteor
Satellite data capture how the jet stream pushed particles through the planet's atmosphere.
- Planetary Science
Shergottite SHER-goh-tite n.
Shergottite is the most common kind of Martian meteorite.
-
- Astronomy
‘Space beads’ push back origins of iron working
Ancient Egyptians used advanced techniques to make beads out of 'metal from the sky.'
By Bruce Bower - Astronomy
To determine stars’ physical traits, Kepler sees the light
Measuring stellar brightness can yield useful estimates of stars' size and evolutionary stage, and help in the hunt for planets.
By Andrew Grant