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Tuesday, December 12, 2017

NASA celebrates 20 years of its arrival on Mars with the Pathfinder

Younger generations may remember the Pathfinder rover as that old dusty exploration robot that helped Matt Damon communicate with his Earthly friends in The Martian, but in fact this vehicle represents an important piece...

CubeSats: Shaping Possibilities in Space

For more than a decade, CubeSats, or small satellites, have paved the way to low-Earth orbit for commercial companies, educational institutions, and non-profit organizations. These small satellites offer opportunities to conduct scientific investigations and...

Space changed gut bacteria of these twin astronauts

Researchers studying the gut microbes of Scott and Mark Kelly, NASA astronauts and identical twin brothers, have found that spaceflight causes changes, but it’s not clear what the changes mean. The research is one of...

Mars volcano erupted nonstop for 2 billion years

An unusual meteorite found in Algeria in 2012 shows that at some point in its 4.5-billion-year history, Mars had a single volcano that erupted continuously for more than 2 billion years. “We’ve never seen anything like...

Astronauts’ brains change shape in space

Astronauts’ brains compress and expand in space, MRIs before and after missions show. Researchers say the findings could have implications for treating other health conditions that affect brain function. The study, believed to be the first...

We save coral reefs and then sea stars eat them

A study that may sound a new alarm for endangered corals shows that small marine protected areas may be especially vulnerable to attack by crown-of-thorns sea stars (Acanthaster species), which can devastate reefs. The findings,...

Here’s the science behind 5 classic love songs

In honor of Valentine’s Day, here are five love songs that pose serious scientific questions. Experts from the University of Melbourne offer insights about the evolution of love, how it changes our bodies, and...

Extinction threatens 60% of world’s primates

Urgent action is needed to protect the world’s dwindling primate populations, experts warn. Sixty percent of the more than 500 primate species worldwide are threatened with extinction, while more than 75 percent have declining populations. “The...

Global sea level could rise 8 feet by 2100

Sea level in the Northeast and in some other US regions could rise significantly faster than the global average. Moreover, in a worst-case scenario, global sea level could rise by about 8 feet by 2100,...

Brain readjusts your eyeballs with each blink

Every few seconds, our eyelids automatically shutter and our eyeballs roll back in their sockets. Why don’t we perceive intermittent darkness and light? Because the brain works extra hard to stabilize our vision despite our...

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