Dark Energy Measured More Precisely than Ever

Dark energy is the term scientists use to describe the cause of the accelerated expansion of the universe. Find out how a new analysis provides its most precise measurement yet.

Spiraling Stars Help Explain Early Universe

Spiraling stars in the Small Magellanic Cloud are the subject of a recent study in ‘The Astrophysical Journal.’ Find out how their spiral motions help explain the “baby boom” of star formation shortly after the Big Bang.

Planet Formation Clarified by Young Star System

Planet formation remains one of the mysteries of astrophysics. Find out how a new study sheds light on the process and offers a new method for future research in the field. (4:30 min read)

Hubble Tension May Be Loosening

Hubble tension is the difference in results that scientists get when they try to measure the rate at which our Universe expands. Find out how a new study may have split the difference and loosened the tension between two camps of researchers. (4:00 min read)

Universe's Expansion Rate - Giant Elliptical Galaxy NGC 1453

Universe’s Expansion Rate Still Hard to Pin Down

The Universe’s expansion rate, the Hubble constant, is vital to understanding the Cosmos’ origin and fate. Discover how the latest technique for measuring the Hubble constant sheds new light on the past and future. (5:15 min read)