NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

The latest observations suggest the comet could be as wide as 5.6 kilometres, and at least 320 metres. Further observations by NASA's James Webb Space Telescope will help researchers work out the size ...

A fast-growing brush fire is forcing thousands of people to evacuate in a mountainous area north of Los Angeles.