Earth, Extraterrestrial life

‘It’s almost science fiction’: Scientists say the shape of Earth’s inner core is changing
Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...
Chilling animations depict effect ‘city-killer’ asteroid would have on Earth — as experts warn moon also in danger
Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while ...
New theory ups the odds that intelligent aliens exist
“Our existence is probably not an evolutionary fluke,” says Jennifer Macalady, a study co-author and microbiology professor ...
An asteroid could collide with Earth: What could happen, and should we worry?
An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with ...
Scientist warns it might be too late to deflect ‘city killer’ asteroid heading toward Earth
The volcanologist threw cold water on the defense potential of the DART (Double Asteroid Redirection Test) spacecraft, which ...
Smithsonian Magazine2d
Earth’s Inner Core Is Changing Shape, Study Finds, Indicating Even More Dynamic Shifts Deep Within Our Planet
Seismic wave data previously suggested the Earth’s hot inner core is slowing its spin. Now, researchers say it’s also ...
What lies at the center of the Earth? The answer keeps changing.
A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...
New Book Reveals Why We Need An Exoplanet Reality Check
Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.
EurekAlert!59m
Research reveals how Earth got its ice caps
The cool conditions which have allowed ice caps to form on Earth are rare events in the planet’s history and require many complex processes working at once, according to new research.