NASA's space shuttle Challenger exploded 40 years ago today, killing its 7-person crew. Photos reveal Challenger's legacy.

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The Challenger explosion.
28th January 1986: An abstract smoke pattern after the space shuttle Challenger explosion, Kennedy Space Center, Florida.

Dave Welcher/Hulton Archive/Getty Images

A look back at 19 of the biggest winter storms to hit the US in the last century

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Cab driver pushes his taxi cab after getting stuck on 33rd St. near Ninth Ave. after a blizzard.
Over 30 US states are preparing for Winter Storm Fern.

New York Daily News Archive/NY Daily News via Getty Images

The coldest temperature ever recorded in every state

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Winter in Connecticut.
Winter in Connecticut.

Kelly Marsh/Connecticut Post via Getty Images

Photos show what daily life is like in Greenland, the massive ice-covered island Trump wants to acquire

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Houses and buildings on an inlet in icy water
Houses covered by snow in Nuuk, Greenland in 2025.

AP Photo/Evgeniy Maloletka

See astronauts' most awe-inspiring photos taken from the International Space Station in 2025

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NASA astronaut Jonny Kim poses for a portrait inside the International Space Station's
NASA astronaut Jonny Kim poses for a photo inside the International Space Station's "window to the world."

NASA

The Silicon Valley leaders who have experimented with psychedelics

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Steve Jobs, Sergey Brin, Sam Altman side by side
Steve Jobs, Sam Altman, and Bill Gates spoke publicly about using psychedelic drugs. Google cofounder Sergey Brin has reportedly eaten magic mushrooms.

Justin Sullivan/Kevork Djansezian/Justin Sullivan/Getty

Who is Jared Isaacman, the billionaire SpaceX astronaut and new head of NASA?

Tech Insider : Business, Economy
Jared Isaacman walking and smiling
Jared Isaacman said the US will return to the moon under Trump's presidency.

NASA/Bill Ingalls

Here are the most powerful news photos of the year

Tech Insider : Politics, Business, Economy
The USS Gerald R. Ford.
NORFOLK, VIRGINIA - JUNE 24: U.S. Navy sailors stand along the deck as they prepare for the aircraft carrier USS Gerald R. Ford to depart from the Naval Station Norfolk on June 24, 2025, in Norfolk, Virginia. The aircraft carrier is leaving on its scheduled deployment to the U.S. European Command area of responsibility.

The Science That Will Shape 2026

Gizmodo
Despite everything, science goes on.

Watch These Live Cams of the Los Angeles Area Rain and Flood Risk During Christmas Week

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Southern California is bracing for mudslides and other hazards during the holiday week.
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