Solving an astronomy puzzle, robotaxi woes, must-visit destinations: Catch up on the day’s stories

By Daniel Wine, CNN

Welcome to 5 Things PM! If you’re a foodie who enjoys traveling (like me!) then check out these must-visit destinations. Spring break is just a few weeks away…

Here’s what else you might have missed during your busy day.

5 things

1⃣ Lunar landings

Particles from Earth’s atmosphere have been carried into space by solar wind and have been landing on the moon for billions of years, according to a new study. The findings solve a long-standing astronomy puzzle.

2⃣ Why Greenland?

Tensions over control of the Danish territory could be reaching a breaking point. CNN’s Nic Robertson heads to Nuuk, the capital city, to find out what residents there are feeling and understand the strategic significance.

3⃣ Childhood vaccines

After the Trump administration announced sweeping changes last week, pediatricians are trying to make sense of how the new guidance will affect families. Here’s what parents need to know.

4⃣ A bumpy ride

Tesla’s robotaxi service is running behind schedule, though the company’s stock has surged on Elon Musk’s big promises. EV sales — the main source of revenue — are sputtering, which makes 2026 a critical year.

5⃣ Controlled chaos

Season 2 of “The Pitt” showcases another 15-hour day in the life of the emergency room doctors and nurses. Actor Noah Wyle promised things would get complicated, and he wasn’t exaggerating.

Watch this

Snowed under: Several skiers were caught in an avalanche in Colorado’s Rocky Mountain National Park. One was briefly buried in the snow and suffered a dislocated shoulder.

Top headlines

Federal prosecutors quit amid Trump administration pressure to focus Minnesota shooting probe on actions of Renee Good
Trump says Iran meetings are off and ‘help’ for protesters is on the way
Clintons refuse to testify in congressional Epstein probe despite contempt threat

Check this out

Building excitement: From a New York City skyscraper to La Sagrada Familia in Barcelona, these are the architecture projects that will shape the world this year.

For CNN subscribers

Tracking Trump’s retaliation
From Snoop Dogg’s blunt to the Eagles locker room: Inside the wild world of the company changing sports memorabilia
Trump administration’s vision of US tech dominance is colliding with Europe

Quiz time

Which K-pop band, pictured here, is making music again after a nearly four-year hiatus?
A. TXT
B. Stray Kids
C. Seventeen
D. BTS
Scroll down for the answer.