Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December ...

Themes: celebrating Earth Day; climate change and living sustainably; taking action to preserve the environment. Summary: this assembly is suitable for use on or shortly before Earth Day (22 April ...

First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to ...