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Even as the long-lived Cassini spacecraft gears up for its last moments at Saturn, it’s preparing for a final long-distance look at Titan, Saturn’s large moon, on September 11.
New short video from NASA about the hunt for potentially hazardous asteroids and comets, and ways to defend Earth against them.
Jellyfish float on ocean currents, but they also swim in a couple of different ways. This post has 2 videos showing 2 different jellyfish propulsion mechanisms.
This video shows a timelapse journey through Smoky Mountains National Park during world’s largest gathering of synchronized fireflies. Beautiful!
SG Collins explains why the Apollo moon landings on the moon in the late 1960s and early ’70s couldn’t have been faked.
Researchers identified simple behavioral rules that allow these tiny creatures to collaboratively build elaborate structures – rafts and towers – with no one in charge.
To celebrate the 2-year anniversary of New Horizon’s flyover of the Pluto system, NASA released these 2 cool videos. Sail over the surface of Pluto and its large moon Charon.
This 5-second video shows a reflected image of the sun – a sun glint – as a bright spot crossing Earth from right to left. It also shows a dark spot – the moon’s shadow – moving the opposite way.
Among wild animals, pronking may be a way of avoiding predators. But when you see an animal pronk, you can’t but think it’s leaping for joy.
NASA says to blame the sun for its moratorium on sending commands to Mars from July 22 to August 1.
New video shows 6 hypervelocity stars, zipping from Milky Way center to outskirts. An interaction with our galaxy’s central, supermassive black hole might have kicked them into fast motion.
Low ebb in the 11-year sunspot cycle expected 2019-2020. Want some basic information about the sunspot cycle and its effects? Watch this NASA ScienceCast.
Wonderful video showing noctilucent – or night-shining – clouds recorded on July 1 and 4. These clouds shine in the darkness, typically on summer nights.
You don’t need fancy equipment to watch a solar eclipse. This video shows you how to make a pinhole camera with just a few simple supplies.
If it’s your dream to travel to the Red Planet, check out this video for some things you might want to consider.
If you’re planning to watch the August 21 total solar eclipse (and we hope you are!) take a minute to watch this video on how to watch safely.
The peregrine falcon is the fastest bird – and in fact the fastest animal on Earth – when in its hunting dive. Amazing BBC video here.
NASA’s Kepler space telescope has identified 219 new exoplanet candidates, 10 of which are near-Earth size and in the habitable zone of their star.
Future space outpost dwellers will need to grow plants for food and to recycle air and water. Here’s what scientists are learning about space farming from plants grown on the ISS.
See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.
How to watch a solar eclipse safely
Moon on its way to the eclipse