Skip to content
Search

Latest Stories

Imagine a massive asteroid hurtling toward Earth with a 72% chance of impact in just 14 years. It's not the plot of a blockbuster movie but a scenario that NASA is taking very seriously. In a recent simulation, scientists explored this potential doomsday event, and what they discovered was both enlightening and alarming.

In this exercise, nearly 100 government representatives tested our preparedness for such a catastrophic event. The simulation revealed critical gaps in our readiness to face a potential asteroid impact, according to NASA's presentation.impression
Source: NASA



Lindley Johnson, planetary defense officer emeritus at NASA Headquarters, explained the importance of this exercise: "The uncertainties in these initial conditions for the exercise allowed participants to consider a particularly challenging set of circumstances." He emphasized, "A large asteroid impact is potentially the only natural disaster humanity has the technology to predict years in advance and take action to prevent."

screen shot at am
Source: NASA

Footage of the Peekskill Meteorite October 9, 1992

The Simulation Details

The hypothetical asteroid's size ranged from 60 to 800 meters, with the most probable size being between 100 and 320 meters. The exercise also introduced a complication: the asteroid passed behind the Sun, making it impossible to observe from Earth for at least seven months.

This scenario was the first to incorporate data from NASA’s Double Asteroid Redirection Test (DART) mission, the pioneering technology aimed at defending Earth from potential asteroid impacts. Despite the promising technology, NASA noted that applying it to a real threat would require many years of advance planning.

artist impression
Source: NASA

Artist impression of meteor breaking up

The Results

NASA's simulation highlighted several "high-level gaps" in the current planetary defense strategies. These gaps underscore the need for improved coordination and preparation among various government agencies. Johnson noted, "These outcomes will help to shape future exercises and studies to ensure NASA and other government agencies continue improving planetary defense preparedness."

The Importance of Readiness

The exercise serves as a critical reminder of the importance of planetary defense. While the DART mission represents a significant step forward, the simulation's findings suggest that we still have much work to do in preparing for potential asteroid threats. In a news release, Johnson highlights the unique nature of asteroid impacts: "A large asteroid impact is potentially the only natural disaster humanity has the technology to predict years in advance and take action to prevent."

lrc hpdart large
Source: NASA

NASA’s Double Asteroid Redirection Test (DART) command team.

As we look to the future, this simulation will inform further exercises and studies, helping to ensure that NASA and other agencies are better equipped to handle such threats. The work done today could be crucial in safeguarding our planet from potential asteroid impacts in the years to come.

Conclusion

NASA's recent simulation is a sobering reminder of the challenges we face in planetary defense. It underscores the need for continued innovation and collaboration to ensure we are prepared for any potential threats from space. By learning from these exercises and improving our readiness, we can better protect our planet and its inhabitants from future asteroid impacts.

This article originally appeared July.

More For You

The Himalayas on a clear day.

The towering Himalayas may seem unshakable, but deep beneath them, the Earth is shifting in ways scientists never expected.

The world’s most dangerous tectonic secret might lie under the Himalayas

The Himalayas, one of the most awe-inspiring mountain ranges on Earth, have long captured the imaginations of adventurers and scientists alike. Towering above the clouds, these colossal peaks hold not only breathtaking beauty but also crucial geological secrets. Recent research suggests something astonishing: the Indian tectonic plate—the very foundation of the Himalayas—may be splitting in two deep beneath the surface.

For millions of years, the Indian Plate has been pushing northward, colliding with the Eurasian Plate and giving rise to the Himalayas. But new findings from Stanford University geologist Simon L. Klemperer and his team indicate that this seemingly solid landmass is undergoing a dramatic transformation, one that could have significant implications for earthquakes and mountain stability in the region.

Keep ReadingShow less
dog behavior, canine intelligence, dog trust, pet psychology, animal science, dog study, trust in dogs, Akiko Takaoka, Kyoto University, dog memory, lie detection

Dogs know when you're lying, and they're not ok with it.

Your dog knows when you’re lying, and they’re quietly judging you for it

Your dog isn't just watching your every move—they're judging them, too. According to research by Akiko Takaoka of Kyoto University , dogs are a lot better at reading human behavior than we give them credit for. In fact, they know when you're lying. And worse? They remember it.

The experiment that exposed canine trust issues

smart dogs, science of dogs, emotional pets, dog-human bond, trustworthy pets, dog betrayalThey've evolved with us, and dogs know our tricks. Canva

In a clever experiment involving 34 eager and unsuspecting pups, Takaoka and her team put canine social smarts to the test. The setup was simple: most dogs will follow a human’s point to find food. So, first, researchers pointed to containers with treats. The dogs eagerly trotted over, rewarded with snacks and tail wags.

Keep ReadingShow less
near-death experience, Dannion Brinkley, life after death, consciousness, hospice care, panoramic life review, lightning strike, spiritual awakening, fear of death, tunnel of light, love, kindness, intent, death stories, dying process, afterlife, soul journey, hospice volunteer, fear, transformation

Representative Image: When you've touched death, it leaves its mark.

Photo by Guy Kawasaki via Unsplash

He died 3 times and came back with the same message: love is the only thing that matters

Dannion Brinkley has been clinically dead three times, but each experience gave him the same stunning insight — love, intent, and service are what really matter. His story invites us to see death not as an end, but a profound transformation.

Most people don't come back after death. Dannion Brinkley has done it three times — and what he brought back has changed lives.

Keep ReadingShow less
He was trapped in a 20-foot pit. Then he pulled off the ultimate escape.

A gravity-defying stunt

He was trapped in a 20-foot pit. Then he pulled off the ultimate escape.

A viral video from China has people questioning the laws of gravity—and then realizing it's all physics, skill, and a healthy dose of discipline. Posted on Xiaohongshu (also known as Rednote), the video shows a man inside a vividly colored pit, its vertical walls towering about 20 feet above him. There's seemingly no way out—until he starts running.

Don't try this at home.roar-assets-auto.rbl.ms

Keep ReadingShow less
A rendering of a black hole and its event horizon.

Representative Image: Black holes are the largest things in the universe, and the biggest mysteries.

They faked a black hole in a lab—and what it “leaked” has scientists freaking out

Black holes are the universe’s ultimate mystery box—nothing gets out, and no one really knows what’s inside. But now, a group of scientists may have just pulled off something incredible: they built a black hole replica right here on Earth.

And not just for fun. This experiment could help explain one of the biggest cosmic puzzles of our time—Hawking radiation, the theory that black holes slowly lose energy by giving off faint particles at their edges.

Keep ReadingShow less