By Mark Kaufman
How to watch NASA bring back asteroid specimens to Earth
It's the nail-biting end of an ambitious mission.
Webb telescope just made tantalizing find on ocean world Europa
The moon has a vital chemical needed for life.
NASA rover finds place where extraordinary events occurred on Mars
“I can’t imagine what it would have been like to witness these events."
Scientists snap photo of intriguing solar system using a colossal telescope
They found a hidden surprise.
How Oppenheimer built an atomic bomb before the Nazis
The U.S. feared Hitler could make a terrifying weapon.
High-speed object just crashed into Jupiter, footage shows
A collision hundreds of millions of miles away.
NASA reveals gash on moon left by crashed Russian spacecraft
Landing on the moon is HARD.
NASA found evidence of ice on Mars. What does that mean?
"It creates a network of linear patterns that reveal the history of ice flow."
Hurricane Idalia's track is unprecedented — and dangerous
The powerful storm is destined for historically uncharted territory.
See live Florida beach webcams as Hurricane Idalia nears, including Cedar Key, Tampa
The storm will make landfall as a category 4 hurricane.
Dramatic images show why emperor penguins were hit with catastrophe
Thousands of chicks are dead.
Mars spacecraft reveals violent event on biggest volcano in solar system
The Red Planet wasn't always so quiet.
10,000 feet down, scientists find 'enormous' octopus colony
The octopuses are drawn to this deep sea location.
Why landing a spaceship on the moon is still so challenging
"It's literally a one-shot thing."
NASA films rare footage of its Mars helicopter flying and landing
The aerial robot scouts the Red Planet.
Wow, a very rare hurricane is tracking toward California. What to know.
It's extremely rare. Prepare for heavy rain.
En route to the moon, Russia beams back first mission images
Back in the space race.
NASA's ambitious robots find each other in the Mars desert
A mission to sleuth for signs of past life.