Each week we find the most interesting and informative articles we can and along the way we uncover amazing and cool images. Here you'll discover 10 incredible photos and the stories behind them.

Earth as art

Seen from space, these discs look more like modern art than potatoes.

[Full Story: E.T. Art? Crop Circles Look 'Alien' from Space]

Breathtaking and terrifying:

While Hurricane Maria slammed Puerto Rico with pounding rainfall and dangerously strong winds yesterday (Sept. 20), astronauts at the International Space Station experienced the storm from a far more serene location roughly 250 miles above Earth.

[Full Story: Astronaut's Dramatic Photos Show Hurricane Maria Raging Over Puerto Rico]

New dangers:

The "extremely dangerous" Category 4 Hurricane Maria made landfall in Puerto Rico this morning, with sustained winds raging at up to 155 mph (250 k/h), according to the National Hurricane Center (NHC).

[Full Story: 'Extremely Dangerous' Hurricane Maria Makes Landfall in Puerto Rico]

A new achievement:

For the first time, the private spaceflight company Stratolaunch tested all six of the engines on a colossal airplane with the largest wingspan of any aircraft in the world.

[Full Story: World's Largest Aircraft Starts Engine Tests]

Not so cute and cuddly:

More than 40 million years ago, on a small island that has since coalesced with other islands to become modern-day Turkey, an odd beast the size of a domestic cat lived in the trees: a bone-crushing marsupial relative.

[Full Story: Ancient Marsupial Relative Was Tree-Climbing Oddball]

Naptime:

Fun fact: Melatonin works on jellyfish.

[Full Story: Jellyfish Don't Have Brains, But They Do Sleep]

Dinos for dinner:

Horned frogs' powerful bites hint that an extinct, ancient relative may have packed even more of a mouthy wallop.

[Full Story: Extinct Big-Mouthed Frogs May Have Dined on Dinos]

Time for a checkup:

Preventing dam catastrophes is painstaking, hot work.

[Full Story: What It's Like to Climb Up the Face of a 600-Foot-Tall Dam]

Cooking life:

Although the temperatures in caves on the world's southernmost active volcano are closer to that of a summer night than a sauna, new research suggests that even this moderate heat may make life possible there.

[Full Story: Antarctic Caves Warmed by Volcanic Steam May Harbor Life]

Ancient alien:

A pea-size creature gets a dinner-plate-size reconstruction.

[Full Story: 500-Million-Year-Old Creature Looks Like Space Alien in Re-Creation]