"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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See the moon cozy up to a fading Mars tonight (March 8)

Fri, 03/07/2025 - 11:00am
The pair will be closest to each other at around 8 p.m. ET.
Categories: Astronomy

'Primordial' helium from the birth of the solar system may be stuck in Earth's core

Fri, 03/07/2025 - 10:00am
The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.
Categories: Astronomy

Our best binoculars under $300 are now even better value with this $90 price cut

Fri, 03/07/2025 - 7:43am
Get the Celestron TrailSeeker 8x42 for their best price in over a year — a fantastic pair of binoculars for skywatching on the go.
Categories: Astronomy

Water mining on the moon may be easier than expected, India's Chandrayaan-3 lander finds

Fri, 03/07/2025 - 7:00am
Higher latitudes on the moon with slopes facing the poles "are not only scientifically interesting but also pose less technical challenges for exploration in comparison with regions closer to the poles of the moon."
Categories: Astronomy

What's the difference between a solar eclipse and a lunar eclipse?

Fri, 03/07/2025 - 6:00am
We explore the celestial geometry that explains different kinds of eclipses of the sun and the moon.
Categories: Astronomy

Watch fiery SpaceX Starship Flight 8 debris rain down over The Bahamas (video)

Thu, 03/06/2025 - 9:33pm
The upper stage of SpaceX's huge Starship rocket exploded over the Atlantic Ocean this evening (March 6), creating a dramatic sky show for people in The Bahamas, Florida and elsewhere.
Categories: Astronomy

SpaceX loses Starship rocket stage again, but catches giant Super Heavy booster during Flight 8 launch (video)

Thu, 03/06/2025 - 8:11pm
SpaceX managed to catch the Super Heavy booster on Starship's eighth test flight today (March 6), but the vehicle's upper stage was lost about nine minutes after liftoff.
Categories: Astronomy

Hope is all but lost for private asteroid probe in deep space — 'the chance of talking with Odin is minimal'

Thu, 03/06/2025 - 5:00pm
AstroForge says there's no real hope of reestablishing contact with its Odin probe, the first private spacecraft ever to fly beyond the moon.
Categories: Astronomy