Knowridge Science Report2 小时
Why we are so scared of space—and how this fear can drive conspiracy theories
There are many home-grown problems on Earth, but there’s still time to worry about bad things arriving from above. The most ...
Space.com22 小时Opinion
Asteroid 2024 YR4 no longer threatens to hit Earth, but we can still hit it — for science!
The asteroid 2024 YR4, once considered potentially hazardous, isn't likely to hit us anytime soon. Now, a team of researchers ...