Science

C. hemipterus, a bed bug species. These pests bite and suck blood while people sleep.

"We're the perfect host."

Bed bug outbreaks are real. Here's what experts want you to know.

The contents inside are invaluable. NASA found a surprise when opening its asteroid canister
Get ready. How to view the solar eclipse without destroying your eyes
"Extreme solar storms could have huge impacts on Earth." Scientists find proof of unprecedented sun explosion hitting Earth

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Animals
NASA
Rocket Launches
Climate Change
Environment
Space

Latest

A view of Jupiter's volcanic moon Io captured in October 2023. NASA spacecraft gets extremely close to volcanic world, snaps footage
Mars' extensive Valles Marineris may have started on active faults billions of years ago. Unprecedented quake on Mars wasn't caused by what you think
An artist's conception of the James Webb Space Telescope orbiting 1 million miles beyond Earth. Webb telescope finds strange particles in planet's alien clouds
The annular "ring of fire" solar eclipse as seen from space on Oct. 14, 2023. Vivid satellite footage shows solar eclipse hitting Earth from space
The 2023 Fat Bear Week winner, Grazer, seen in Katmai National Park and Preserve's Brooks River in September. Fat Bear Week winner is revealed. She's a rebel.
More on Latest

Environment

The dominant bear 856 photographed in Katmai National Park and Preserve's Brooks River in 2022. This fat bear won't win Fat Bear Week. But the bears know he's king.
The Fat Bear Week Champion bear 747 fishing in Katmai National Park and Preserve's Brooks River. What's Fat Bear Week?
The famous Katmai National Park and Preserve bear "Holly" (bear 435). A government shutdown means bad news for Fat Bear Week
Australian rainforest 7 ways you can help regenerate Australia’s forests
FineWoven Apple Watch bands Apple ditches leather for all of its products, replaces it with 'FineWoven' material
More Environment

NASA

Solar Eclipse 2023`
How to safely view the Solar Eclipse on October 14th
An artist's impression of the James Webb Space Telescope orbiting the sun 1 million miles from Earth. Webb telescope recorded sun explosions in a captivating solar system
NASA's Curiosity rover in the Martian desert. NASA rover makes adventurous trip, then snaps stunning Mars picture
James Webb telescope observing earliest galaxies Astronomers may have solved one of Webb's first puzzles
The James Webb Telescope floating in space
James Webb Telescope captures stunning images of a neighboring galaxy
More NASA

Climate Change

A penguin colony walks near the edge of an icy landscape in Antarctica, with the vast ocean and icebergs visible in the background. Caption reads "Missing ice"
Missing Antarctic sea ice shows a new, worrying reality
Split screen: on the left, an image shows cars stranded by a urban flood, while the image of the left is of a thriving city with a lot of green space. Caption reads: sponge cities.
In a race against extreme floods, some cities look to nature
left to right) Ati Viviam Villafana, Greta Thunberg, Mya-Rose Craig and Daphne Frias, Dominique Palmer, Tori Tsui and Alice Aedy in discussion on stage at The Climate Conversation at the Royal Festival Hall, London, where climate activists are meeting to take stock and examine what progress has been made since COP26, ahead of COP28 later this year. Picture date: Sunday July 30, 2023. Intersectional climate activism matters. Dominique Palmer, Tori Tsui, Daphne Frias, and Greta Thunberg explain why.
Footage of the glacial laker near Mendenhall Glacier just before the record glacial lake outburst. Intense gov't footage shows what triggered glacial outburst in Alaska
A firefighter tries to put down a raging fire. Caption reads "global boiling"
What the hottest month on record looked like across the globe
More Climate Change

Videos

New Mars Discovery
Mars Rover has finally arrived at a long-awaited Martian location
A collage shows different cells and organisms under a microscope. Caption reads "Micro worlds'
New microscope footage brings us closer to understanding the central nervous system
Spacecraft Survives Solar Blast
This NASA spacecraft successfully flew through a sun explosion
Martian Ie
NASA found evidence of ice on Mars. What does that mean?
mind-blowing space facts
10 mind-blowing facts about space
More on Videos

Deals

Three Celestron telescope models overlaid on an outer space background Peep the full moon with Celestron telescopes up to 39% off
Celestron telescope against a starry background Get ready for stargazing season with $370 off a Celestron telescope
Discounted Celestron telescopes overlayed on a background of stars and galaxy
Tap into your inner astronomer with Celestron telescopes on sale
Screenshot from The Roman Space Observer Game
NASA has released an retro arcade game about the Nancy Grace Roman Telescope
Make sure water is safe for your dog to play in with this quick and easy blue-green algae test
Make sure water is safe for your dog to play in with this quick and easy blue-green algae test
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Features

At last, we can build a Space Elevator — sort of At last, we can build a Space Elevator — sort of
How a coin for carbon could save the planet How a coin for carbon could save the planet
Why it's impossible to forecast the weather too far into the future Why it's impossible to forecast the weather too far into the future
Welcome to Cloud City: The case for going to Venus, not Mars Welcome to Cloud City: The case for going to Venus, not Mars
Coronavirus and the indoor farming revolution Coronavirus and the indoor farming revolution
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How Earth's future supercontinent will get hot enough to wipe us out
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NASA spacecraft zooms to new asteroid after dropping capsule on Earth
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NASA just flew home its first asteroid chunks from outer space
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How to watch NASA bring back asteroid specimens to Earth
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Watch NASA test powerful motor for its moon megarocket
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Webb telescope just made tantalizing find on ocean world Europa
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NASA rover finds place where extraordinary events occurred on Mars
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How asteroid Bennu got its odd name and other facts
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NASA astronaut reveals stress of longest U.S. spaceflight
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Scientists snap photo of intriguing solar system using a colossal telescope
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NASA spacecraft flies right through sun explosion, captures footage
By Mark Kaufman
NASA needed help with a mission. The Vatican came to the rescue.
By Elisha Sauers
How to watch NASA's UAP report livestream
By Alex Perry
Webb finds molecule only made by living things in another world
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NASA's dropping off a space package from 63,000 miles high
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