Posts by 

Kelly Kizer Whitt

Long trip to Mars may cause astronauts to misread emotions

A study here on Earth simulating the weightless conditions of space travel showed that the longer the participants were exposed to a low-gravity environment, the more they perceived facial expressions as angry.

Scientists stunned to discover plants beneath mile-deep Greenland ice

Fossilized plants found in the rocks and soil beneath Greenland ice suggests the ice melted at some point in the last million years and may do so again.

10 years after Japan’s big tsunami

See before and after satellite images of one coastal city from the March 11, 2011, Japanese tsunami. How it looked before, and how it looks today.

SETI’s Nathalie Cabrol on modern-day Mars life, underground

SETI's Nathalie Cabrol believes a widespread biosphere exists on Mars that has migrated underground over the past few billion years.

Small temperature increase can cause bigger wildfires, more often

A new study shows that just a half a degree of global temperature rise markedly increases fire danger on the most widely inhabited continents.

View a map of 25,000 supermassive black holes

Hours of radio observations have enabled scientists to create a map of the locations in Earth's night sky of 25,000 supermassive black holes. These black holes are very far away, occupying the cores of distant galaxies.

A Martian cloud reveals its secrets

Clever camerawork allowed scientists to view an elusive cloud that streams away from Mars' volcano Arsia Mons and determine how it's formed.

First exoplanet with evidence of tectonics

A new study reveals a distant exoplanet with one hemisphere pulsing with volcanic activity and the other hemisphere quietly providing the fuel.

Earth’s oxygen will be gone in 1 billion years

A billion years from now, as the sun heats up, the warmer atmosphere will break down carbon dioxide, killing off plant life, which in turn will shut off Earth's source of oxygen.

Photographs of historic Mars and Pleiades conjunction

On March 3, 2021, the red planet Mars and Pleiades star cluster in Taurus will appear close together on the sky's dome. The two won't get this close again until 2038! See photos of the big event.