Space
- Planetary Science
Venus might be as volcanically active as Earth
Data from NASA’s Magellan spacecraft suggest that volcanic activity is widespread on Venus.
- Space
Forget moon walking. Scientists want to give moon running a try
Researchers took over an amusement park attraction to test out an idea for how astronauts might exercise on the moon.
- Cosmology
The universe may have a complex geometry — like a doughnut
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.
- Earth
A weaker magnetic field may have paved the way for marine life to go big
Decreased protection from cosmic radiation may have increased oxygen levels in the atmosphere and oceans, allowing animals to grow larger.
- Space
NASA’s budget woes put ambitious space research at risk
Mars Sample Return and missions to study other planets and celestial bodies, including lunar efforts, face big cuts and delays.
- Space
Scientists are getting closer to understanding the sun’s ‘campfire’ flares
The detection of cool plasma before the tiny outbursts on the sun is helping researchers make connections between campfire flares and other solar eruptions.
- Space
‘Humanity’s spacecraft’ Voyager 1 is back online and still exploring
After five months of glitching, the venerable space probe contacted Earth and is continuing its interstellar mission billions of kilometers away.
- Physics
Separating science fact from fiction in Netflix’s ‘3 Body Problem’
Real science underpins much of the action in the show — along with a hefty dose of artistic liberty.
- Planetary Science
Pluto’s heart-shaped basin might not hide an ocean after all
Planetary scientists propose an alternative theory to explain why Sputnik Planitia has stayed put across Pluto’s equator.
- Planetary Science
Our picture of habitability on Europa, a top contender for hosting life, is changing
The moon of Jupiter is considered one of the most promising places to look for life, but its subsurface ocean may be less habitable than once thought.
- Planetary Science
Jupiter’s moon Io may have been volcanically active ever since it was born
An analysis of the moon’s atmospheric composition suggests that it has been spewing sulfur for roughly 4.6 billion years.
- Space
50 years ago, scientists found a lunar rock nearly as old as the moon
Studies of such rocks continue to reveal secrets about the moon’s history.
