Professor Dave Explains
Italian Vocabulary: In the Living Room, Bedroom, and Bathroom
The names of things in the house in Italian.
AllTime 10s
10 Things NASA Doesn't Want You To Know
When it comes to NASA, things are bound to get a little out of this world. Alltime10s brings you some weird claims and historical abnormalities about the world's most famous space program.
NASA
NASA | Blazar Bonanza
A long time ago in a galaxy half the universe away, a flood of high-energy gamma rays began its journey to Earth. When they arrived in April, NASA's Fermi Gamma-ray Space Telescope caught the outburst, which helped two ground-based...
Astrum
What has NASA's OSIRIS-REx discovered around the asteroid Bennu?
NASA's OSIRIS-REx has now been orbiting the asteroid Bennu for a year already, but what has it discovered so far?
NASA
NASA | Highlights of Swift's Decade of Discovery
NASA's Swift satellite rode to orbit aboard a Delta II rocket on November 20, 2004, and it's still going strong. Swift's unique instrumentation allows it to quickly locate an interesting high-energy outburst, automatically determine its...
NASA
NASA | Fermi Provides New Insights on Dark Matter
There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around galaxies and in the motions of...
Journey to the Microcosmos
Midi-chlorians Our Connection to the Force - April Fools' Day Video
Midi-chlorians Our Connection to the Force - April Fools' Day Video
Astrum
4 days of Australia burning | 4K view from space
View from space of the Australian bushfires, from the December 30th 2019 to January 2nd 2020. Based on data from JAXA / JMA / Himawari.
Astrum
What did NASA's Dawn discover on Ceres?
NASA's Dawn mission finished in 2017. What did it discover while in orbit around Ceres?
NASA
Happy Lunar New Year From Hubble
Hubble welcomes the Year of the Rat with a view of its own favorite rodents, NGC 4676A and B, and highlights the planetary origins of the Chinese zodiac’s 12-year timetable. Credit: NASA's Goddard Space Flight Center Bradley Hague (GSFC...
Astrum
What Makes These Craters On The Moon So Unusual?
The NASA Lunar Reconnaissance Orbiter's findings answers some questions about the Moon's unsolved mysteries.
NASA
NASA’s Roman Space Telescope Deepens Its Infrared View
NASA’s Nancy Grace Roman Space Telescope will be able to explore even more cosmic questions, thanks to a new near-infrared filter. The upgrade will allow the observatory to see longer wavelengths of light, opening up exciting new...
NASA
Hubble's 32nd Anniversary: An Eclectic Galaxy Grouping
NASA is celebrating the Hubble Space Telescope’s 32nd birthday with a stunning look at five galaxies, a close-knit collection called the Hickson Compact Group 40. This amazing assembly includes a giant elliptical galaxy, glowing with...
NASA
Hubble Trivia: 6) What Has Hubble Helped to Reveal About the Expansion of the Universe?
The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own! The question is: What has Hubble helped to reveal about the expansion of the universe? You...
Curated Video
Galaxia
Este programa de video de accion en vivo es sobre la palabra galaxia. El programa esta disenado para reforzar y apoyar la comprension y retencion del estudiante de la palabra galaxia mediante el uso de secuencias de video, fotografias,...
NASA
The Hubble Space Telescope 360° Tour
Pay a visit to the Hubble Space Telescope in its orbit above Earth’s surface and take a tour of the technology behind Hubble’s spectacular cosmic images. This 360 degree video points out Hubble’s instruments, mirrors, and other major...
NASA
NASA's Fermi Mission Shows How Luck Favors the Prepared
In 2017, NASA's Fermi Gamma-ray Space Telescope played a pivotal role in two important breakthroughs occurring just five weeks apart. But what might seem like extraordinary good luck is really the product of research, analysis,...
NASA
NASA's Fermi Finds the Farthest Blazars
NASA's Fermi Gamma-ray Space Telescope has identified the farthest gamma-ray blazars, a type of galaxy whose intense emissions are powered by supersized black holes. Light from the most distant object began its journey to us when the...
National Parks Service
Yosemite Nature Notes 19: Night Skies
Yosemite's vast acreage and remote location protect some of the darkest night skies in the country. Astronomers, photographers, and city dwellers flock to the park to take advantage of this unique opportunity to view planets, stars, and...
National Parks Service
Episode 19: Night Skies
Yosemite's vast acreage and remote location protect some of the darkest night skies in the country. Astronomers, photographers, and city dwellers flock to the park to take advantage of this unique opportunity to view planets, stars, and...
NASA
NASA’s Incredible Discovery Machine: The Story of the Hubble Space Telescope
Hubble's launch and deployment in April 1990 marked the most significant advance in astronomy since Galileo's telescope. Thanks to five servicing missions and more than 30 years of operation, our view of the universe and our place within...
NASA
NASA | RXTE Satellite Catches the Beat of a Midsize Black Hole
Astronomers from the University of Maryland, College Park (UMCP) and NASA's Goddard Space Flight Center have uncovered rhythmic pulsations from a rare breed of black hole in archival data from NASA's Rossi X-ray Timing Explorer (RXTE)...
NASA
NASA | NASA's Fermi Shows How Active Galaxies Can Be
Active galaxies called blazars make up the largest class of objects detected by Fermi's Large Area Telescope (LAT). Massive black holes in the hearts of these galaxies fire particle jets in our direction. Fermi team member Elizabeth Hays...