History
The Solar Radius Might Be Slightly Smaller Than We Thought
Two astronomers use a pioneering method to suggest that the size of our Sun and the solar radius may be…
Penn State SETI Symposium Opens with Commemoration of Dr. Frank Drake
This year's Penn State SETI Summit kicked off with a a lecture on how history will remember SETI pioneer Frank…
The Historic Discussion of Ptolemy’s Star Catalog
From the time of its writing in the 2nd century CE, Claudius Ptolemy’s Almagest stood at the forefront of mathematical…
Based on the JWST Controversy, NASA is re-Evaluating the way it Names Spacecraft
In a surprise twist, NASA has suggested it will reexamine its naming policies, due to the controversy surrounding the JWST.
Scientists Find an Ancient Stellar Catalog Written by Hipparcus Hidden in a Medieval Tome
Spectral imaging reveals the Hipparchus astronomical catalog was much more precise than we thought.
‘The Clocks are Telling Lies:’ A New Book from Universe Today Writer Scott Alan Johnston
Scott Alan Johnston (that's me!) joined the Universe Today team just over a year ago. Since then, I've written over…
We Might Know Why Mars Lost its Magnetic Field
Mars is a parched planet ruled by global dust storms. It's also a frigid world, where night-time winter temperatures fall…
Remembering NASA Engineer Jerry Woodfill, the Inspiration Behind “13 Things That Saved Apollo 13”
Jerry Woodfill, an engineer who worked diligently behind the scenes during NASA’s Apollo program, has passed away at age 79.…
Alan Shepard’s Daughter Will be Flying on the Next New Shepard Flight
For the 19th mission of the New Shepard rocket, Blue Origin has offered a seat to Alan Shepard's eldest daughter…
Here are the First New Pictures From the Fully Operational Hubble
The astronomy community breathed a huge sigh of relief earlier this week when the Space Telescope Science Institute announced the…