Inside the strange physics of why time stops at the speed of light
A clock aboard a fast-moving spacecraft does not break, lag or malfunction. It ticks normally for everyone inside.…
China Wants to Slam a Spacecraft Into an Asteroid at Mach 26
Following the success of NASA’s DART mission, Chinese researchers are planning a new planetary defense test that they…
Hidden in the dust: The 2-billion-year-old asteroid crater that holds the secret clue to ending an ice age
Scientists have identified the Yarrabubba impact crater in Western Australia as the Earth’s oldest, dating back 2.229 billion…
Newly Discovered Crater Reveals Recent Impact
The Moon is constantly being bombarded by traveling space rocks, its surface recording each collision in the form…
A Possible Lunar Impact in 2032 Could Spark Days of Meteor Showers on Earth
A large rocky asteroid will make a close approach to Earth in 2032, with the tantalizing prospect of…
An Asteroid Could Smash Into the Moon in 2032. Here’s Why We Should Destroy It
Asteroid 2024 YR4 garnered global attention last year when astronomers estimated it could hit Earth in 2032. Though…
Here’s How to Deflect a Dangerous Asteroid Without It Totally Backfiring
In September 2022, NASA deliberately crashed a spacecraft into an asteroid, successfully altering the space rock’s trajectory. The…
New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago
Roughly 12,800 years ago, as Earth was emerging from its last great ice age, temperatures in the Northern…