Search results for flat topped hills

Environment Mar 22, 2022

As climate change brings more natural disasters, debris piles up—increasing health risks

When Hurricane Katrina bore down on New Orleans in the summer of 2005, many residents in Versailles, a Vietnamese-American community in the east of the city, faced disaster for the second time.

Planetary Sciences Mar 15, 2022

NASA extends Ingenuity Mars Helicopter mission

NASA has extended flight operations of the Ingenuity Mars Helicopter through September. In the months ahead, history's first aircraft to operate from the surface of another world will support the Perseverance rover's upcoming ...

Planetary Sciences Feb 11, 2022

Image: Hooke Crater in Mars' southern highlands

Chaotic mounds, wind-sculpted ripples and dust devil tracks: this image shows a fascinating and otherworldly landscape near Hooke Crater in Mars' southern highlands.

Environment Jan 28, 2022

How is snowfall measured? A meteorologist explains how volunteers tally up winter storms

The Blue Hill Observatory, a few miles south of Boston, recorded the deepest snow cover in its 130-year history, an incredible 46 inches, in February 2015. The same month, Bangor, Maine, tied its record for deepest snow at ...

Environment Oct 5, 2021

Severe droughts dry up dreams of Turkish farmers

Turkish farmer Hava Keles stares inconsolably at withered vines of rotting tomatoes in a field that has been devastated by a series of droughts blamed on climate change.

Plants & Animals Jul 20, 2021

New 3D images of shark intestines show they function like Nikola Tesla's valve

Contrary to what popular media portrays, we actually don't know much about what sharks eat. Even less is known about how they digest their food, and the role they play in the larger ocean ecosystem.

Nanophysics Dec 15, 2020

Weak force has strong impact on nanosheets

You have to look closely, but the hills are alive with the force of van der Waals.

Astronomy Sep 9, 2020

Data from Yutu-2 suggests top layer of lunar regolith is material thrown from nearby crater

A team of researchers has found evidence suggesting that the regolith material on which the Chinese rover Yutu-2 is situated consists mainly of material that was thrown there when an asteroid struck the moon nearby. In their ...

Environment Aug 19, 2020

Some California cities think they're safe from sea level rise. They're not, new research shows

Just north of the Golden Gate Bridge, yet a world away from San Francisco, in an unincorporated and oft-overlooked area known as Marin City, sea level rise is rarely the first worry that comes to mind.

Space Exploration Feb 13, 2020

Images: The two halves of Mars' whole

Mars is very much a world of two halves, as this new image from ESA's Mars Express highlights, showing where these dramatically different regions come together as one.

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