"Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools."
--1921 New York Times editorial about Robert Goddard's revolutionary rocket work.

"Correction: It is now definitely established that a rocket can function in a vacuum. The 'Times' regrets the error."
NY Times, July 1969.

— New York Times

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 1 day 2 hours ago

Mae Jemison Trains for Her Space Shuttle Flight

Thu, 09/12/2019 - 7:31am
Mae Jemison, the first black woman in space, participated in crew egress training for Space Shuttle Endeavour's STS-47 mission during the Terminal Countdown Demonstration Test.
Categories: Astronomy, NASA

Remembering September 11th and Looking to the Future

Wed, 09/11/2019 - 7:31am
This 2019 photo of Manhattan, taken by astronaut Nick Hague from aboard the International Space Station, shows a city totally recovered from the attack on September 11, 2001.
Categories: Astronomy, NASA

Testing and Training on the Boeing Starliner

Tue, 09/10/2019 - 8:14am
NASA astronaut Mike Fincke works through a check list inside a mockup of Boeing's CST-100 Starliner during a simulation at NASA's Johnson Space Center on Aug. 21, 2019.
Categories: Astronomy, NASA

Learning to Track Water Using NASA Satellite Data

Mon, 09/09/2019 - 9:09am
It's Back to School Week and NASA has activities to keep students motivated.
Categories: Astronomy, NASA

Clues for Mars in the Australian Outback

Fri, 09/06/2019 - 8:14am
Scientists with NASA's Mars 2020 mission and the European-Russian ExoMars mission traveled to the Australian Outback to hone their research techniques.
Categories: Astronomy, NASA

Satellite Captures Four Tropical Cyclones from Space

Thu, 09/05/2019 - 10:43am
On Sept. 4, 2019, a loose chain of tropical cyclones lined up across the Western Hemisphere.
Categories: Astronomy, NASA

An Infrared View of the M81 Galaxy

Wed, 09/04/2019 - 9:19am
Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binoculars or a small telescope.
Categories: Astronomy, NASA

Jessica Meir Climbs Aboard a Soyuz Trainer

Tue, 09/03/2019 - 10:25am
At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 61 crewmember Jessica Meir of NASA climbs aboard a Soyuz trainer during final crew qualification exams on Aug. 30.
Categories: Astronomy, NASA

Hurricane Dorian Seen From Aboard the Space Station

Mon, 09/02/2019 - 2:02pm
NASA astronaut Christian Koch snapped this image of Hurricane Dorian as the International Space Station during a flyover on Monday, September 2, 2019.
Categories: Astronomy, NASA

Hubble Views Final Stages of a Star’s Life

Fri, 08/30/2019 - 10:00am
NGC 5307, a planetary nebula that lies about 10,000 light-years from Earth, can be seen in the constellation Centaurus.
Categories: Astronomy, NASA

Celebrating Spitzer's Sweet Sixteen

Thu, 08/29/2019 - 9:01am
Spitzer Space Telescope into orbit around the Sun on Aug. 25, 2003. Since then, the observatory has been lifting the veil on the wonders of the cosmos, from our own solar system to faraway galaxies, using infrared light.
Categories: Astronomy, NASA

Lifting the Space Launch System Core Stage Into Place

Wed, 08/28/2019 - 9:09am
NASA cleared a milestone in preparation for Green Run testing of its Space Launch System (SLS) core stage with the lift and installation of the core stage pathfinder simulator onto the B-2 Test Stand.
Categories: Astronomy, NASA

Astronaut Andrew Morgan Performs His First Spacewalk

Tue, 08/27/2019 - 8:33am
West Point graduate, physician and NASA astronaut Andrew Morgan is pictured working outside the International Space Station .
Categories: Astronomy, NASA

Christine Darden: From Human Computer to Engineer

Mon, 08/26/2019 - 9:02am
In 1967, Christine Darden was added to the pool of 'human computers' who wrote complex programs and tediously crunched numbers for engineers at NASA's Langley Research Center.
Categories: Astronomy, NASA

Hubble Captures Dynamic Dying Star

Fri, 08/23/2019 - 8:10am
This Hubble image shows a dark, gloomy scene in the constellation of Gemini (the Twins). The subject of this image confused astronomers when it was first studied — rather than being classified as a single object, it was instead recorded as two objects, owing to its symmetrical lobed structure.
Categories: Astronomy, NASA

Wildfires in the Brazilian Rainforest Creating Cross Country Smoke

Wed, 08/21/2019 - 1:37pm
Amazon rainforest fires causing smoke to drift across the whole of Brazil.
Categories: Astronomy, NASA

A View of the National Space Council

Wed, 08/21/2019 - 10:03am
A member of the audience takes a picture with their phone as Vice President Mike Pence is introduced during the sixth meeting of the National Space Council.
Categories: Astronomy, NASA

SpaceX Dragon Crew Emergency Evacuation Rehearsal

Mon, 08/19/2019 - 1:11pm
A quick moving storm passes as teams from NASA and SpaceX practice procedures for medical emergency evacuation onboard the GO Searcher ship, Friday, August 15, 2019.
Categories: Astronomy, NASA

3D Printing and the Future of Aeronautics

Mon, 08/19/2019 - 10:18am
Today is National Aviation Day and progress is ongoing in the next evolution of air mobility – all thanks to emerging 3D printing technology.
Categories: Astronomy, NASA