It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have ...

"I find this asteroid to be extremely exciting! This is the last chance we have to observe the asteroid from Gemini before 2028." ...

REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...

Longtime Houstonians -- including people who were born here -- explain their abiding love for this mystifying city.

Here's how scientists deflect asteroids after experts reveal exact locations where 'city destroyer' could hit.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Seven years after ...

The longer we follow its orbit, the more accurate our future predictions of its trajectory become.” The NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) station in Chile first ...

The two previous asteroid sample missions, by Japan, yielded considerably less material. Get top local stories in Connecticut delivered to you every morning. Sign up for NBC Connecticut's News ...

Asteroid samples fetched by NASA hold not only ... “These processes probably occurred much earlier and were much more widespread than we had thought before." NASA’s Daniel Glavin said one ...

Asteroid samples fetched by NASA ... Feeling out of the loop? We'll catch you up on the Chicago news you need to know. Sign up for the weekly Chicago Catch-Up newsletter. Bennu — a rubble ...