The more astronomers learn about the universe's earliest galaxies, the stranger they seem. Many of their surprising ...

Astronomers using JWST have discovered that massive early galaxies contain far more small, faint stars than expected. That hidden population could make some of these galaxies three to four times more ...

When the universe was still in its infancy—only 500 million years after the Big Bang, or about 3% of its current age—some of ...

・Astronomers found that star clusters do not always form the same balance of small and large stars, challenging a long-standing assumption used to measure galaxies. ・Gaia data show that a key dividing ...

PHOENIX —Thousands of newly spotted galaxies are dressed for a Victorian ball: in hoop skirts. The cache of “polar structure galaxies” — with large starry or dusty structures oriented perpendicular to ...