Open in app
Sign inGet started
What created more light: the Big Bang or stars?

What created more light: the Big Bang or stars?

The Universe has been creating stars for nearly all 13.8 billion years of its history. But those photons can’t match the Big Bang’s light.
Go to the profile of Ethan Siegel
Ethan Siegel
How to see the comet of the century from all over the world

How to see the comet of the century from all over the world

Comet A3, also known as Comet Tsuchinshan-ATLAS, has sprung to life since 2024’s last equinox. Here’s how to catch the show for yourself.
Go to the profile of Ethan Siegel
Ethan Siegel
Does dark matter interact non-gravitationally at all?

Does dark matter interact non-gravitationally at all?

In theory, dark matter is cold, collisionless, and only interacts via gravity. What we see in ultra-diffuse galaxies indicates otherwise.
Go to the profile of Ethan Siegel
Ethan Siegel
Fastest spacecraft ever built to break its own speed record

Fastest spacecraft ever built to break its own speed record

The Parker Solar Probe is about to undergo its seventh encounter with Venus on its journey towards the Sun. Here’s how fast it’ll go.
Go to the profile of Ethan Siegel
Ethan Siegel
Ask Ethan: Is Earth the center of the Universe?

Ask Ethan: Is Earth the center of the Universe?

In all directions, at great distances, the Universe looks younger, more uniform, and less evolved. Does that mean Earth must be the center?
Go to the profile of Ethan Siegel
Ethan Siegel
About Starts With A Bang!Latest StoriesArchiveAbout MediumTermsPrivacyTeams