SCIENCE
-
Ask Ethan: Was the Universe “timeless” before the Big Bang? | by Ethan Siegel | Starts With A Bang! | May, 2025
During cosmological inflation, the space contained in the inflationary region grows exponentially, doubling in all three dimensions with each tiny…
Read More » -
JWST breaks its own record with new most distant galaxy MoM-z14 | by Ethan Siegel | Starts With A Bang! | May, 2025
This image shows a three-filter NIRCam view of galaxy MoM-z14: the new record holder (as of May 16, 2025) for…
Read More » -
Ask Ethan: Could dark energy be more negative than a cosmological constant? | by Ethan Siegel | Starts With A Bang! | May, 2025
For the first several billion years of our Universe’s history, the Universe’s expansion rate was decreasing and distant galaxies slowed…
Read More » -
The red color of Mars is mere inches deep | by Ethan Siegel | Starts With A Bang! | May, 2025
This sand dune, known as Dingo Gap, was crossed by Mars Curiosity in 2014. This image has been slightly ‘white…
Read More » -
11 NASA astrophysics missions face risk of cancellation | by Ethan Siegel | Starts With A Bang! | May, 2025
To learn how galaxies grow and evolve over cosmic time, including an understanding of how gas infalls and gets expelled…
Read More » -
Ask Ethan: Has the USA become a fascist nation in 2025? | by Ethan Siegel | Starts With A Bang! | May, 2025
Fascism isn’t defined by symbols like a strong-arm salute, a red hat, or a cult of personality surrounding a leader.…
Read More » -
The most “boring” part of cosmic history shaped our modern Universe | by Ethan Siegel | Starts With A Bang! | May, 2025
This illustration shows a series of galaxies distributed throughout space, with many galaxies distributed in a spherical structure that represents…
Read More » -
Ask Ethan: Is dark energy just leftover momentum from the Big Bang? | by Ethan Siegel | Starts With A Bang! | May, 2025
By mapping out the three-dimensional positions of galaxies over a large volume of the Universe, scientists within the DESI collaboration…
Read More » -
This 1938 pro-science manifesto defended democracy against fascism | by Ethan Siegel | Starts With A Bang! | May, 2025
In 2019, with Hurricane Dorian bearing down on the Florida coast, the official NOAA predictions (in white) were edited with…
Read More » -
Ask Ethan: When do stars turn the most mass into energy? | by Ethan Siegel | Starts With A Bang! | May, 2025
This Wolf–Rayet star is known as WR 31a, located about 30,000 light-years away in the constellation of Carina. The outer…
Read More »