1 day, 9 hours ago
Long ago, Earth was covered in ice like a giant snowball planet.
Scientists thought it stayed frozen for a very, very long time, no fun!
But new rocks show it sometimes got a little bit warmer for a while.
This shows our Earth's weather can change in surprising, interesting ways.
Our simplified news summaries make learning English easy and efficient. Whether you're a beginner or an advanced learner, we have the right level for you. Choose from our easy, normal, or hard summaries and improve your English skills today!
Original: The Guardian (Science)
