The asteroid 2024 YR4 probably won’t come nearly as close to Earth anytime soon as the space rock in this artist’s ...

Another night of observations revealed there is little to fear from the football-field-sized Asteroid 2024 YR4.

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...