cosmic distance ladder

Gravitational Lens Confirms the Hubble Tension

Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image…

2 months ago

Polaris, Earth’s North Star, Has A Surprisingly Spotted Surface

Humanity's been fortunate to have a star situated over Earth's north pole. The star, known as Polaris, or the North…

3 months 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…

8 months ago

Colliding Neutron Stars Could Help Measure the Expansion of the Universe

A new study presents a novel and independent method for measuring cosmic expansion using kilonova

1 year ago

Another New Way to Measure Distance in the Universe: Baryon Acoustic Oscillations

A team of astronomers have developed a new technique that relies on Baryon Acoustic Oscillations to measure cosmic distances.

1 year ago

JWST is the Perfect Machine to Resolve the Hubble Tension

Over the last decade, various measurements have disagreed over the rate that the Universe is expanding. Astronomers use Cepheid variables…

1 year ago