You Searched For "earth defense against asteroids" and got 20 results
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4 mins read
NASA simulated an incoming asteroid impact, and the biggest roadblock to action was penny pinching
NASA gathered about 100 experts to practice a hypothetical discovery of an asteroid with a 72% chan…
Morgan McFall-Johnsen
2 mins read
Crashing a spacecraft into an asteroid may have changed its shape in addition to its trajectory, NASA scientists find
Recent research suggests that DART may have done more than just redirect Dimorphos; it might have s…
4 mins read
US stockpiles of the rare earth minerals it would need to fight a war against an adversary like China are a mystery, and experts warn it's a problem
Whether the US rare earth minerals stockpile is ready for an emergency is shrouded in mystery, but …
Kelsey Baker
3 mins read
Israel has never been impressed with its version of the $1 billion Patriot air defense system. Now it could offload up to 8 to Ukraine.
Ukraine has long coveted more of the $1 billion US-manufactured Patriot air defense systems.
Rebecca Rommen
3 mins read
NASA explains how it would alert the public of an apocalyptic asteroid strike
In the event an asteroid is headed for Earth, here's how NASA plans to alert the public of an impen…
Ellyn Lapointe
5 mins read
We put Elon Musk's dream to colonize Mars up against Jeff Bezos' vision of living in space — and one is more realistic
Elon Musk and Jeff Bezos dream of colonizing space, but have very different ideas of how to do it. …
Ellyn Lapointe
2 mins read
The Houthis have deployed underwater drones in the Red Sea, Defense Department says
Underwater drones could be an "extremely lethal" threat to the US Navy deployed in the region, a US…
Kenneth Niemeyer
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
3 mins read
Congressman presses Elon Musk to provide SpaceX satellite services for US defense forces in Taiwan, report says
A Congressman wrote to Elon Musk saying that withholding Starshield access from US forces in Taiwan…
John L. Dorman,Katherine Tangalakis-Lippert
2 mins read
NASA and Europe’s first target to keep an asteroid from hitting Earth has officially been dubbed Dimorphos
In the past, it has held many titles from Didymoon to S/2003 (65803) — it’s provisional designat…
2 mins read
China is building a huge network of satellites that could be used against US troops: intel chief
Maj. Gen. Greg Gagnon, deputy chief of space operations for intelligence, said China had developed …
Tom Porter
3 mins read
Watch NASA launch a probe to smash into an asteroid. It's practice for pushing city-killing space rocks away from Earth.
NASA may one day need to save Earth from an incoming asteroid. The plan: launching a spacecraft to …
Morgan McFall-Johnsen,Aylin Woodward
1 min read
An asteroid nearly the size of a skyscraper will whiz between the Earth and the moon on Saturday in a once-in-a-decade event
NASA said an asteroid this size passing so close to Earth happens once in a decade. The asteroid DZ…
Kelsey Vlamis
2 mins read
NASA's first planetary defense test worked, successfully redirecting an asteroid by crashing the DART spacecraft into it
The Double Asteroid Redirection Test (DART) has proved that NASA could potentially push a hazardous…
Morgan McFall-Johnsen
2 mins read
A massive asteroid the size of the Empire State Building is about to pass Earth. Here's how to track it.
The asteroid, which is about a half-mile wide, has been studied by scientists for decades and will …
Emily Walsh
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
3 mins read
Photos show the 3.86 billion-mile journey of NASA's OSIRIS-REx asteroid sample mission from start to finish
NASA's OSIRIS-REx traveled almost 4 billion miles to get a sample of the asteroid Bennu. Scientists…
Jenny McGrath
4 mins read
NASA launches DART probe on a head-on collision course with an asteroid
NASA is testing a method it might one day use to save Earth from a city-killing asteroid. Ramming a…
Morgan McFall-Johnsen
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
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…