Even the youngest galaxies are often dust-rich, even with very low levels of heavy elements. Nearby dwarf galaxy Sextans A explains why. Continue reading on Starts With A Bang! »

Astronomers have found starless gas clouds before, but Cloud 9 might be the most pristine one of all, with big lessons for cosmic history. Continue reading on Starts With A Bang! »

In a galaxy less than 300 million years after the Big Bang, oxygen’s presence abounds. That’s expected; its absence would truly be… Continue reading on Starts With A Bang! »

In general relativity, matter and energy curve spacetime, which we experience as gravity. Why can’t there be an “antigravity” force? Continue reading on Starts With A Bang! »

The very word “quantum” makes people’s imaginations run wild. But chances are you’ve fallen for at least one of these myths. Continue reading on Starts With A Bang! »

There will always be “wolf-criers” whose claims wither under scrutiny. But aliens are certainly out there, if science dares to find them. Continue reading on Starts With A Bang! »

Particles are everywhere, including particles from space that stream through the human body. Here’s how they prove Einstein’s relativity. Continue reading on Starts With A Bang! »

If you can identify a foreground star, the spike patterns are a dead giveaway as to whether it’s a JWST image or any other observatory. Continue reading on Starts With A Bang! »

Perhaps the most remarkable fact about the Universe is simply that it, and everything in it, exists. But what’s the reason why? Continue reading on Starts With A Bang! »

We think of physical reality as what objectively exists, independent of any observer. But relativity and quantum physics say otherwise. Continue reading on Starts With A Bang! »