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Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.
On the Gravity Assist podcast we have interviewed dozens of scientists, engineers, and others dedicated to the mission of NASA space explora...
The James Webb Space Telescope awed the world on July 12 with its first images and data. And it’s just getting started with its exploration...
The world will get a first glimpse of the universe as never before when the first images from the James Webb Space Telescope come out on Jul...
Uranus and Neptune are two of the many exciting and mysterious objects in our universe that the James Webb Space Telescope will soon begin t...
With two microphones aboard the Perseverance rover, we can listen to Mars from its surface like never before. In addition to hearing how win...
Astronauts on the International Space Station have been conducting experiments to grow food, including peppers and radishes. Christina Johns...
Space botanists are working on strategies to grow crops on the lunar surface, as NASA makes strides toward sending astronauts to the Moon th...
An ice shelf collapsed in East Antarctica in March 2022, concerning scientists who track melting glaciers, sea level rise, and other effects...
On a quest to find out if we are not alone in the universe, Ravi Kopparapu at NASA Goddard studies how we could use telescopes to detect sig...
How do we know if a rock came from the Moon, Mars, or an asteroid? Planetary scientist Neyda Abreu has looked inside all kinds of meteorites...
The James Webb Space Telescope, which launched Dec. 25, will allow us to see the farthest galaxies and better understand the origins of the...
In space, we have to expect the unexpected. Sunny Panjwani of NASA’s Johnson Space Center shares how he got thrown into an emergency situati...
Climate change is one of the most important issues facing our planet, and NASA has lots of space missions and programs in the works to monit...
NASA is about to launch a new spacecraft to look at the universe in X-ray light. The Imaging X-Ray Polarimetry Explorer, IXPE, will look at...
NASA’s Double Asteroid Redirection Test Mission, or DART, will deliberately impact a small asteroid called Dimorphos to deflect its orbit ar...
As NASA prepares to send astronauts to the Moon through the Artemis program, engineers are working on technologies that will give these expl...
Yaireska Collado-Vega leads a team at NASA’s Goddard Spacecraft Center that is studying the solar weather environment so that robots and peo...
To get a more complete understanding of the full history of our solar system, NASA is sending a spacecraft called Lucy to investigate the Tr...
Janelle Wellons likes to say that she operates “fancy space cameras.” At NASA’s Jet Propulsion Laboratory, she creates commands that allow s...
The laws of physics get very, very weird in the realm of particles too small for the eye to see. Aboard the International Space Station, an...
In honor of National Intern Day, Gravity Assist features Felicia Ragucci, an undergraduate at Dartmouth College who recently completed an in...
NASA is sending two missions to Venus this decade and participating in a European Space Agency mission there, too. Lori Glaze, director of p...
The idea for NASA’s Mars Ingenuity helicopter began at the Jet Propulsion Laboratory with a team of dedicated engineers who believed in some...
Scientists will soon have the opportunity to visit a unique object in the asteroid belt called Psyche, which may be the exposed metallic cor...
What’s the difference between climate and weather? How does NASA monitor changing sea levels, melting glaciers, and other effects of climate...
How do astronauts exercise on the International Space Station? How do they train underwater? Tara Ruttley, associate chief scientist for mic...
When future astronauts explore the surfaces of the Moon, Mars, or beyond, they’ll have big challenges communicating with Mission Control bac...
NASA spacecraft deliver stunning visual imagery of the cosmos, but we can also experience that data by turning it into sound.
In some ways, spaceflight changes you forever,” says Ken Bowersox. Since he was 7 years old, Ken knew he wanted to become an astronaut. In h...
Dana Bolles has worked in many exciting areas of NASA including assuring the safety of experiments and spacecraft going to space, managing e...
The Ingenuity helicopter made history on April 19, 2021, with the first powered, controlled flight of an aircraft on another planet. How do...
What is a black hole? How do we study them when we can’t see them? Astrophysicist Jeremy Schnittman from NASA’s Goddard Space Flight Center...
Go behind the scenes at NASA with Chief Scientist Jim Green in the Gravity Assist podcast.
What does it take to drive a rover that’s more than 100 million miles away? Sophia Mitchell at NASA’s Jet Propulsion Laboratory has been dri...
Why don’t we go live on Saturn’s moon Titan? What would it mean if we found life elsewhere? How did life get its start on Earth? NASA’s chie...
Between the orbits of Mars and Jupiter is a mysterious dwarf planet called Ceres. Its surface is dark and muddy, but has hundreds of patches...
NASA’s Europa Clipper mission will give us the most detailed look yet at Jupiter’s extraordinary moon Europa.
The Curiosity rover has been probing the secrets of Mars since its arrival in 2012. Its discoveries include chemical signatures that could b...
Astronomer and historian Steven Dick tells us there are many approaches to consider and many questions we should ask ourselves to get ready,...
While more research is needed, Smith and others are fascinated by the possibility that airborne microbes could also be found elsewhere in th...
A great era of exploration of the icy moons is about to begin. Athena Coustenis of the Paris Observatory talks about missions to the icy moo...
If astrobiologists find life beyond Earth in the solar system, it will most likely be in the form of tiny organisms called microbes – nothin...
Vladimir Airapetian, scientist at NASA’s Goddard Space Flight Center, explains what researchers hope to find as they gaze beyond our solar s...
As the Perseverance Rover flies toward Jezero Crater on Mars, which once hosted water, astrobiologists are interested in places on Earth tha...
Laurie Barge, an astrobiologist at NASA’s Jet Propulsion Laboratory, studies how plant-looking mineral structures called chimneys grow from...
As we explore Mars and other places in the solar system that might have life, scientists who work in Planetary Protection are busy making su...
Jason Wright, professor of astronomy and astrophysics at Penn State, has been thinking about the different technosignatures we could pick up...
Giada Arney, astrophysicist at NASA’s Goddard Space Flight Center, is looking at the potential for K stars to host habitable worlds. Learn a...
NASA astrophysicist Knicole Colon describes her work on the Kepler, Hubble, TESS and Webb missions, and takes us on a tour of some of her fa...
We now know there are more planets than stars in the galaxy. Many of them are very different from ours. How would we know if any of them had...