Dark Energy

The World's Largest Digital Camera is Complete. It Will Go Into the Vera Rubin Observatory

The Vera C. Rubin Observatory, formerly the Large Synoptic Survey Telescope (LSST), was formally proposed in 2001 to create an…

2 weeks ago

Ice is Starting to Cloud Euclid's Optics

On July 1st, 2023, the European Space Agency (ESA) launched the Euclid Observatory, a mission that will spend the next…

4 weeks ago

Red Giants Offer a New Way to Measure Distance in the Universe

For nearly three decades now, it's been clear that the expansion of the Universe is speeding up. Some unknown quantity,…

4 weeks ago

Webb Continues to Confirm That Universe is Behaving Strangely

Over a century ago, astronomers Edwin Hubble and Georges Lemaitre independently discovered that the Universe was expanding. Since then, scientists…

1 month ago

Gravastars are an Alternative Theory to Black Holes. Here's What They'd Look Like

Astronomers continue to find more and more evidence of black holes, but there's an alternative theory that could explain the…

2 months ago

Euclid Begins its 6-Year Survey of the Dark Universe

ESA's Euclid mission was launched in July 2023 and has already sent home test images showing that its instruments are…

2 months ago

New Telescopes to Study the Aftermath of the Big Bang

The NSF just awarded researchers at UChicago to start developing the CMB-S4 experiment, which will map the earliest moments of…

6 months ago

Civilizations are Probably Spreading Quickly Through the Universe

New research shows how intelligent life might expand in an ever-expanding Universe, which has serious implications for SETI and the…

6 months ago

Euclid Recovers From a Navigation Problem and Finds its Guide Stars Again

After a bit of a hiccup with its navigation system, Euclid has found its navigation stars and is pointed the…

6 months ago

It's Going to Take More Than Early Dark Energy to Resolve the Hubble Tension

Astronomers have measured the Universe's expansion rate and found that various methods don't agree, and their error bars don't overlap.…

8 months ago