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2 mins read

A football stadium-sized asteroid will blaze by Earth today. Here's how to watch the potentially hazardous 'city killer' live.

Watch live as a "potentially hazardous" asteroid the size of a football stadium whips past Earth to…

Ellyn Lapointe   


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3 mins read

NASA released the first close-up photos of the largest asteroid sample ever collected

NASA's OSIRIS-REx dropped off the Bennu asteroid sample last month. Scientists discovered the rocky…

Jenny McGrath   


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3 mins read

James Webb telescope detects an asteroid roughly the size of Rome's Colosseum

An asteroid roughly the size of Rome's Colosseum, between 300 and 650 feet, or 100 and 200 metres, …

PTI   


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3 mins read

Adam Driver asked NASA how it plans to save Earth from world-ending asteroids

Adam Driver wondered how NASA would save the world if a giant asteroid were approaching. Three spac…

Morgan McFall-Johnsen   


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2 mins read

Asteroid gets caught changing colours for the very first time

Asteroid’s aren’t supposed to leave two trails of dust behind them — and neither were they supposed…

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5 mins read

NASA launches its long-awaited $10 billion James Webb Space Telescope, kicking off a cosmic revolution

NASA's biggest space telescope has faced about a decade of delays and budget cuts. It finally screa…

Morgan McFall-Johnsen   


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4 mins read

NASA crashes DART spacecraft into an asteroid, testing a tactic to bump space rocks away from Earth

NASA deliberately crashed a spacecraft into an asteroid to knock it off its path. It's the first te…

Paola Rosa-Aquino,Marianne Guenot   


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4 mins read

The asteroid NASA is about to strike poses no threat to Earth, but 60% of city-killer rocks fly under the radar

NASA's DART mission is about to practice deflecting an asteroid away from Earth. But NASA can't pro…

Morgan McFall-Johnsen   


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4 mins read

NASA is finally advancing a space telescope that could track down dangerous asteroids before they strike Earth

Potentially hazardous asteroids often skim past Earth without warning. A space telescope that looks…

Morgan McFall-Johnsen   


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5 mins read

We'd need 5 to 10 years' notice to stop a killer asteroid heading for Earth

In a recent NASA simulation, scientists had six months to stop a hypothetical asteroid from hitting…

Morgan McFall-Johnsen,Aylin Woodward   


Paola Rosa-Aquino   


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6 mins read

A space telescope that could protect Earth from asteroids has been stuck in 'NASA mission limbo hell' - but it may finally escape

A telescope in orbit could track asteroids that may crash into Earth. But no such mission has moved…

Morgan McFall-Johnsen   


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4 mins read

The Earth did not get its water from asteroids — it may have had it all along

The prevailing theory on how the Earth got its water is that the planet was born dry and water was …

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4 mins read

Comet Neowise is a dazzling sight, but it's also a reminder of how woefully unprepared we are for dangerous asteroids

A NASA telescope spotted Comet Neowise by sheer luck three months ago. If the comet were a killer a…

Morgan McFall-Johnsen   


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3 mins read

NASA gets $35 million to make sure asteroids don't destroy Earth

The National Aeronautics and Space Administration (NASA) isn’t the only space agency tracking space…

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5 mins read

NASA is finally planning to launch a space telescope to detect deadly asteroids before they hit Earth. Here's how it could work.

"This is a great step forward for thinking about human destiny, because the dinosaurs certainly did…

Morgan McFall-Johnsen   


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10 mins read

Astronaut says a neglected telescope is NASA's best chance of defending Earth from 'city killer' asteroids - 'for God's sake, fund it'

The NASA competition it was a part of, called Discovery, values scientific firsts - not ensuring hu…

Dave Mosher   


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3 mins read

An asteroid hunter reveals how she finds the space rocks that could destroy earth

There's one thing that could make the asteroid search a lot easier: a supercharged, dedicated aster…

Ariel Schwartz   


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10 mins read

This space mission could save Earth from killer asteroids - but NASA keeps hitting the snooze button

Take the Large Synoptic Survey Telescope (LSST), for example, which is one of Earth's best current …

Dave Mosher   


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4 mins read

An asteroid just flew by Earth two times closer than the moon - and we barely saw it coming

Had a porous rock asteroid of 111 feet (34 meters) long hit Earth at a 45-degree angle, the simulat…

Dave Mosher