"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

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Astronauts collect blood aboard the ISS | Space photo of the day for July 21, 2025

Mon, 07/21/2025 - 8:30am
Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.
Categories: Astronomy

What are these strange swirls around an infant star? 'We may be watching a planet come into existence in real time'

Mon, 07/21/2025 - 8:00am
Astronomers have discovered a baby exoplanet "spiral architect" carving complex swirls into a disk of gas and dust around the young star HD 135344B.
Categories: Astronomy

Earth will spin faster today to create 2nd-shortest day in history

Mon, 07/21/2025 - 6:00am
Our planet has been rotating at its fastest since records began in 1973.
Categories: Astronomy

South Korea wants to build a moon base by 2045

Sun, 07/20/2025 - 12:00pm
South Korea just laid out its long-term space exploration road map, which features the planned construction of a moon base two decades from now.
Categories: Astronomy

This wild bioplastic made of algae just aced a Mars pressure test. Can astronauts use it to build on the Red Planet?

Sun, 07/20/2025 - 11:00am
Scientists have grown algae in bioplastic habitats under Mars-like conditions, a step that could bring long-term space colonization closer to reality.
Categories: Astronomy

Discover where the Eagle might have landed: How to find Apollo 11's backup sites on the moon

Sun, 07/20/2025 - 9:00am
Find the locations of the five landing zones considered as the setting for humanity's first steps on another world.
Categories: Astronomy

NASA's Roman Space Telescope could discover 100,000 new cosmic explosions: 'We're definitely expecting the unexpected'

Sun, 07/20/2025 - 6:00am
Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these explosions and many more powerful and violent cosmic events.
Categories: Astronomy

See the moon cross the Pleiades for the last time this year on July 20

Sat, 07/19/2025 - 11:00am
The moon's crescent limb will cloak and uncover stars from the iconic cluster before sunrise.
Categories: Astronomy

This Week In Space podcast: Episode 169 — The Day Mars Died

Sat, 07/19/2025 - 10:20am
On Episode 169 of This Week In Space, Rod Pyle and Tariq Malik are joined by JPL Chief Engineer Emeritus Rob Manning to look back at the Mariner 4 Mars mission 60 years later.
Categories: Astronomy

10 unique tours and experiences for the 2027 'eclipse of the century'

Sat, 07/19/2025 - 9:00am
From "Star Wars" film sets to baboons in Saudi Arabia, here's how to experience the "eclipse of the century" in style on Aug. 2, 2027.
Categories: Astronomy

Twin NASA Mars probes will fly on 2nd-ever launch of Blue Origin's huge New Glenn rocket

Sat, 07/19/2025 - 8:00am
Blue Origin's powerful New Glenn rocket now has a payload for its second-ever flight —NASA's ESCAPADE Mars mission.
Categories: Astronomy

2 new NASA satellites will track space weather to help keep us safe from solar storms

Sat, 07/19/2025 - 6:00am
The new TRACERS mission will track magnetic reconnection that drives particles down into Earth's atmosphere when space weather turns bad.
Categories: Astronomy

Friday night light: SpaceX launch from California sends two dozen new Starlink satellites into low Earth orbit (video)

Sat, 07/19/2025 - 12:05am
A SpaceX Falcon 9 rocket carrying 24 Starlink satellites launched from Vandenberg Space Force Base in California on Friday, July 18, 2025.
Categories: Astronomy

Astronomers discover strange solar system body dancing in sync with Neptune: 'Like finding a hidden rhythm in a song'

Fri, 07/18/2025 - 5:00pm
Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice giant Neptune.
Categories: Astronomy

Newly discovered 'cosmic unicorn' is a spinning dead star that defies physics: 'We have a real mystery on our hands'

Fri, 07/18/2025 - 4:00pm
Two teams of astronomers have simultaneously discovered a strange, spinning dead star that seems to defy our current understanding of both neutron stars and white dwarfs.
Categories: Astronomy

The 2025 Southern Delta Aquariid meteor shower is upon us! Here's what you need to know

Fri, 07/18/2025 - 3:00pm
The Southern Delta Aquariids are active alongside the trusty Perseid meteor shower.
Categories: Astronomy

'Star Trek: Strange New Worlds': Jess Bush and Martin Quinn talk feeling comfortable in their characters for Season 3 (exclusive)

Fri, 07/18/2025 - 2:00pm
'I'm trying to make it as realistic as possible, so that a modern day Scottish person could see themselves in space one day.'
Categories: Astronomy

Record-breaking high-altitude shot of sun's surface captured from one of Europe's tallest mountains (photo)

Fri, 07/18/2025 - 2:00pm
"The mountaineer defies gravity; the astronomer looks up. Both seek to reach the unreachable."
Categories: Astronomy

Space station astronauts bid farewell to private Ax-4 crew | On the ISS this week July 14-18, 2025

Fri, 07/18/2025 - 1:00pm
The Expedition 73 and Axiom Mission 4 crews wrapped up their time together as science and maintenance activities continued aboard the International Space Station.
Categories: Astronomy

Meteor impact may have triggered massive Grand Canyon landslide 56,000 years ago

Fri, 07/18/2025 - 11:39am
A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park.
Categories: Astronomy