The first of the pair, (2026 HL3), is thought to be about 80 feet (the size of a small plane) across. It's expected to approach close to Earth at about 1.6 million miles. This asteroid is considered a ...

Nasa warns most city-killer asteroids remain undetected and could strike without warning What if the next catastrophic cosmic impact wasn’t a Hollywood blockbuster plot, but an unseen reality quietly ...

There could be a catastrophic threat lurking in space right now. We might not know until it’s too late. Near Earth, there are likely more than 25,000 asteroids large enough to level a city, according ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A model of the inner Solar System showing the asteroids discovered by Rubin in light teal.

One debate about the origin of life on Earth concerns whether it formed around deep-sea hydrothermal vents or in scars left behind by an asteroid impact. A new review article analyzes recent research ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Our planet is currently defenseless against “city killer” asteroids, ...

More space technology must be developed to prevent "city-killing asteroids" from hitting Earth, experts recommended at a recent science conference. While the risk is low, mid-size asteroids near Earth ...

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites ...

Asteroids contain large quantities of both precious and common metals, and despite the obvious challenges in reaching them, a few startups say these celestial bodies could offer a sustainable ...