SciShow
Tractor Beams: Almost Real!
Hank tells us about some developments that are being made in the dramatic area of laser tractor beams.
NASA
Simulated Image Demonstrates the Power of NASA’s Nancy Grace Roman Space Telescope
NASA’s Nancy Grace Roman Space Telescope will capture the equivalent of 100 high-resolution Hubble images in a single shot, imaging large areas of the sky more than 1,000 times faster than Hubble. In several months, the Roman Space...
NASA
Webb Telescope Milestone: Completion of Telescope Element
Thousands of people, for almost two decades, accomplished the construction of the telescope element of the largest space telescope ever created. The optical and science segment of the James Webb Space Telescope stands complete in one of...
NASA
NASA’s NICER Finds X-ray Boosts in the Crab Pulsar’s Radio Bursts
Scientists using data from NASA’s Neutron star Interior Composition Explorer (NICER) telescope on the International Space Station have discovered X-ray surges accompanying radio bursts from the pulsar in the Crab Nebula. The finding...
NASA
NASA Missions Unveil Magnetar Eruptions in Nearby Galaxies
On April 15, a brief burst of high-energy light swept through the solar system, triggering instruments on many NASA missions. Now, multiple international science teams conclude that the blast came from a supermagnetized stellar remnant...
NASA
NASA | X-ray 'Echoes' Probe Habitat of Monster Black Hole
Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. The discovery promises a new way to unravel what's...
NASA
Getting a Bird’s-Eye View of Biodiversity With Landsat
Global temperatures are rising, putting bird species across America in danger of extinction as their habitats change. To understand how temperature affects birds across the country, scientists at the University of Wisconsin-Madison...
NASA
Sample Asteroid Bennu in 360
NASA’s first asteroid sample return mission, OSIRIS-REx, will make a daring attempt to “TAG” asteroid Bennu on Oct. 20 – touch its surface and collect a sample for return to Earth. Experience the sample collection event in 360 and watch...
NASA
Echoes of the Universe's Creation
Sound waves from the nascent universe, called baryon acoustic oscillations (BAOs), left their imprint on the cosmos by influencing galaxy distribution. Researchers have explored this imprint back to when the universe was three billion...
NASA
NASA Missions Team Up to Study Unique Magnetar Outburst
On April 28, a supermagnetized stellar remnant known as a magnetar blasted out a simultaneous mix of X-ray and radio signals never observed before. The flare-up included the first fast radio burst (FRB) ever seen from within our Milky...
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
NASA's NICER Tests Matter's Limits
Matter in the hearts of neutron stars – dense remnants of exploded massive stars – takes the most extreme form we can measure. Now, thanks to data from NASA’s Neutron star Interior Composition Explorer (NICER), an X-ray telescope on the...
NASA
NASA | California Polytechnic Institute Students bring JWST Model to NASA GSFC
Engineering students from California Polytechnic Institute brought their Webb Telescope deployment model to NASA Goddard Space Flight Center. The students demonstrated this detailed, robotic version of Webb for the NASA team building the...
NASA
Supercomputer Simulations Test Star-destroying Black Holes
Watch as eight stars skirt a black hole 1 million times the mass of the Sun in these supercomputer simulations. As they approach, all are stretched and deformed by the black hole’s gravity. Some are completely pulled apart into a long...
NASA
NASA Models the Complex Chemistry of Earth's Atmosphere
Air pollution can appear as a gray or orange haze enveloping a city. What the naked eye can’t see are the hundreds of chemical reactions taking place to produce that pollution. NASA science can reveal a more complete picture of...
NASA
OSIRIS-REx Observes a Black Hole
University students and researchers working on a NASA mission orbiting a near-Earth asteroid have made an unexpected detection of a phenomenon 30,000 light-years away. Last fall, the student-built Regolith X-Ray Imaging Spectrometer...
NASA
NASA | The MMS Mission's Unique Orbit
Scientist John Dorelli explains the MMS mission's orbit and why the four spacecraft fly in a tetrahedron formation. This complex arrangement enables scientists to gather data about magnetic reconnection in 3D. On its journey, MMS will...
NASA
NASA | First Sightings of How a CME Forms
On July 18, 2012, a fairly small explosion of light burst off the lower right limb of the sun. Such flares often come with an associated eruption of solar material, known as a coronal mass ejection or CME -- but this one did not....
NASA
Envisioning an Ultra-Deep Field from NASA's Roman Space Telescope
A team of astrophysicists has created a simulated image that shows how the Nancy Grace Roman Space Telescope could conduct a mega-exposure similar to but far larger than Hubble’s celebrated Ultra-Deep Field Image. This Hubble observation...
NASA
Venus: Forgotten Sister Planet or Our Next Frontier?
Venus, our nearby “sister” planet, beckons today as a compelling target for exploration that may connect the objects in our own solar system to those discovered around nearby stars. Yet, humanity’s exploration of Venus has been hampered...
NASA
The Roman Space Telescope's Wide Field Instrument
In order to know how the universe will end, we must know what has happened to it so far. This is just one mystery NASA's forthcoming Nancy Grace Roman Space Telescope mission will tackle as it explores the distant cosmos. The...
NASA
COVID-19 Earth Observation Dashboard Tutorial
COVID-19 led to changes in human activities around the globe. Some bodies of water have run clearer, emissions of pollutants have temporarily declined, and transportation and shipment of goods have decreased. We can see some of these...
NASA
Simulated Image Shows the Power of NASA’s WFIRST
NASA’s Wide Field Infrared Survey Telescope, WFIRST, will capture the equivalent of 100 high-resolution Hubble images in a single shot, imaging large areas of the sky 1,000 times faster than Hubble. In several months, WFIRST could survey...
NASA
NASA | TDRS: Continuing The Fleet
NASA is preparing to launch the first in a series of three third generation advanced Tracking and Data Relay Satellites, known as TDRS-K. This latest addition to the fleet of seven will augment a space communications network that...