age articles

How to know which crater is older?

Dating an impact crater, whether on our Moon or the red sands of Mars, is akin to looking at a snapshot of an ancient ev...

How do crater counts tell us the age of a surface?

The simple appearance of a heavily cratered planetary landscape might seem chaotic, yet those overlapping circles and bo...

How old is the oldest crater on Earth?

Determining the age of the oldest impact crater on Earth is a constant pursuit in geology, as nearly all evidence of anc...

What is the oldest material ever found on Earth?

The quest to uncover the absolute oldest substance on our planet leads not to terrestrial bedrock or the deepest ocean c...

What is the oldest crater on Earth?

The designation for the oldest known impact structure on our planet now belongs to a site in the remote reaches of Weste...