Odds of Asteroid 2024 YR4 hitting Earth go up again

Updates on Asteroid 2024 YR4 have been slower during the full Moon, but experts say the precision of the object’s orbit is getting better. In March, NASA’s James Webb Space Telescope will focus on the potential threat to Earth providing the best estimate of its size.

Monarch butterfly count nears record 30-year low; what to know

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change take their toll on the beloved pollinator.