Universe Today

Galaxies grow massive through mergers with other galaxies. Massive galaxies like the Milky Way and Andromeda not only merge with other large galaxies, they also absorb their much smaller satellite

All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly challenging. For example, there has been a debate among astronomers for decades

Let’s rewind the clock back…oh, I don’t know, let’s say a hundred years.

Observations of a supernova explosion have revealed its shape only one day after it was first detected. The exact nature of supernovae explosions are unclear and the subject of ongoing,

Astronomers have found more than 6,000 exoplanets in the Milky Way. They’ve even begun to characterize the atmospheres of some of them. But the Milky Way has consumed many of

At this point in history, astronomers and engineers who grew up watching Deep Impact and Armageddon, two movies about the destructive power of asteroid impacts, are likely in relatively high

In March of 2024 the (https://www.desi.lbl.gov/collaboration/) dropped a bombshell on the cosmological community: slim but significant evidence that dark energy might be getting weaker with time.

Swift observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed the explosive death of a star just as the blast was breaking through the star’s surface.

So I got an email from Adam Reiss. You know, the guy who was awarded the 2011 Nobel Prize in Physics along with Saul Perlmutter and Brian Schmidt for discovering

The Shenzhou-20 mission’s three-person crew has returned home after more than a week of delays caused by damage to their spacecraft, allegedly caused by an impact with a tiny piece