Day 11 of the 2024 Space Telescope Advent Calendar: gazing deeply through time. Using the James Webb Space Telescope, an international team of astronomers detected five young massive star clusters in the Cosmic Gems arc (SPT0615-JD1), a strongly lensed galaxy emitting light from when the universe was roughly 460 million years old—looking back across 97 percent of cosmic time.
Most Popular
The Hawaiians Who Want Their Nation Back
In 1893, a U.S.-backed coup overthrew the Islands’ sovereign government. What does America owe Hawai‘i now?
America Needs to Radically Rethink What It Means to Be Old
As 100-year lifespans become more common, the time has come for a new approach to school, work, and retirement.
The Conversation Democrats Need to Have
The party should stop talking to itself and start hearing what voters have to say.
Why Democrats Got the Politics of Immigration So Wrong for So Long
They spent more than a decade tacking left on the issue to win Latino votes. It may have cost them the White House—twice.
Crypto’s Legacy Is Finally Clear
An anti-establishment technology for an anti-establishment age
Walk on Air Against Your Better Judgment
What Seamus Heaney gave me
America Can’t Break Its Wellness Habit
Robert F. Kennedy Jr. fits into a long history of Americans who have waged battle against conventional medicine.
Ozempic Killed Diet and Exercise
Doctors might be slow to admit it, but Ozempic and other GLP-1 drugs are making dieting and exercise obsolete.
My Friend Outed Me to Her Conservative Parents
Now they think I’m a “bad influence”—and it hurts.
How the Ivy League Broke America
The meritocracy isn’t working. We need something new.