On October 10, 2020, a near-Earth asteroid was spotted for the first time. Now, two years later, the airplane-sized object is returning for a visit that will bring it within 400,000 miles of Earth.

This is the second Earth Trojan asteroid ever spotted and the largest of its kind ever seen. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In ...

It could mean a "negative" leap second. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Even time did not escape 2020 unscathed. The 28 fastest ...

The Earth's 28 fastest days on record (since 1960) all occurred in 2020. The Earth's rotation can change slightly because of weather and ocean patterns. A negative leap second will be needed if the ...