Exploding Stars Probably Didn’t Spur Hominins to Walk Upright
Exploding Stars Probably Didn’t Spur Hominins to Walk Upright
The astronomical idea doesn’t align well with the fossil record, anthropologists argue, but the origins of bipedalism are still difficult to determine.
Exploding Stars Probably Didn’t Spur Hominins to Walk Upright
Exploding Stars Probably Didn’t Spur Hominins to Walk Upright

The astronomical idea doesn’t align well with the fossil record, anthropologists argue, but the origins of bipedalism are still difficult to determine.

The astronomical idea doesn’t align well with the fossil record, anthropologists argue, but the origins of bipedalism are still difficult to determine.

space
Tardigrades May Have Made it to the Moon
Tardigrades May Have Made it to the Moon
Ashley Yeager | Aug 7, 2019
An Israeli lunar lander carrying the tiny animals crashed into the moon in April, and now scientists are trying to determine if the creatures are still alive.
Q&A: Organs on a Chip Head to the International Space Station
Q&A: Organs on a Chip Head to the International Space Station
Emma Yasinski | May 1, 2019
Lucie Low, a project leader for Tissue Chips in Space, describes the experiments that are slated to blast off later this week.
Astronaut Study Shows Some Lasting Changes from Time in Space
Astronaut Study Shows Some Lasting Changes from Time in Space
Kerry Grens | Apr 11, 2019
Scott Kelly’s physiology, gene activity, and mental performance changed after time aboard the International Space Station, but mostly returned to normal once back on Earth.
Image of the Day: Wet PlanetImage of the Day: Wet Planet
Image of the Day: Wet Planet
Carolyn Wilke | Mar 28, 2019
An analysis of the scars left by long-gone flows reveals that Mars’s rivers may have run even when scientists thought the planet was drying out.
Opinion: Slow Down, SpaceX
Opinion: Slow Down, SpaceX
Mohamed Kashkoush | Mar 15, 2019
Rockets can transport humankind to Mars, but only the scientific and medical community can ensure our survival.
China Is Growing Cotton on the Moon
China Is Growing Cotton on the Moon
Ashley Yeager | Jan 15, 2019
Images from the country’s Chang’e-4 lunar lander show the first sprouting plants.
Bacterial Genetics Could Help Researchers Block Interplanetary Contamination
Bacterial Genetics Could Help Researchers Block Interplanetary Contamination
Ashley Yeager | Aug 1, 2018
Identifying microbes from Earth that can survive on spacecraft may help scientists eliminate them from future space missions and from searches for extraterrestrial life.
Organic Compounds Found in Martian Soil
Organic Compounds Found in Martian Soil
Sukanya Charuchandra | Jun 11, 2018
Researchers also found seasonal variations in atmospheric methane on the planet that may have a geological or biological origin.  
Researchers Grow Veggies in Space
Researchers Grow Veggies in Space
Ashley Yeager | Jun 1, 2018
Experiments to cultivate greens on the International Space Station and in simulated Martian environments pave the way for feeding crews during deep space missions.