NASA spotted a big asteroid that may hit Earth — what you should know
The Asteroid Terrestrial-impact Last Alert System — a global network of telescopes funded by NASA to find Earth-threatening objects — spotted the asteroid 2024 YR4 in December ...
Astronomers Orbiting TRAPPIST-1 Star Could Be Peering Back At Earth
A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...
earth13 小时
NASA finds a planet disintegrating faster than astronomers thought possible
Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.
Asteroids like Bennu may have ‘delivered’ building blocks for life to Earth ...
The latest discovery, unveiled by the NASA on January 29, came as a bit of a surprise and posed many exciting questions such ...
CNET on MSN1 天
Newly Discovered Asteroid Has Over 1% Chance Of Earth Impact
NASA and other space agencies are tracking 2024 YR4, a near-Earth asteroid with a small chance of impacting our planet in ...
Space on MSN1 天
NASA finds key molecules for life in OSIRIS-REx asteroid samples. Here's what that means
There are 20 amino acids that create the proteins required for life on our planet — and scientists have now found exactly 14 ...
Lurking Inside an Asteroid: Life’s Ingredients
Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...
Planetary alignments aren’t rare, but 6 visible planets are. Here's how to see it.
Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...
Space on MSN7 天
Earth's recent asteroid visitor might've been a piece of the moon
2024 PT5 is the second near-Earth asteroid scientists suspect was ejected from the moon's surface, the first being 469219 ...
Earth’s recent ‘mini-moon’ may be an actual piece of the moon, astronomers say
An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.
Smithsonian Magazine on MSN1 天
Scientists Discover Traces of Salt Water and Building Blocks of Life in NASA’s Samples ...
Two new papers describe hints to a brine-filled environment on the 4.5-billion-year-old space rock and the presence of amino ...