![31 Top Social Media Platforms in 2025 [+ Marketing Tips]](https://static.semrush.com/blog/uploads/media/0b/40/0b40fe7015c46ea017490203e239364a/most-popular-social-media-platforms.svg)
![[Weekly funding roundup April 12-18] VC inflow declines to 2nd lowest level for the year](https://images.yourstory.com/cs/2/220356402d6d11e9aa979329348d4c3e/WeeklyFundingRoundupNewLogo1-1739546168054.jpg)
A Meteorite From Alaska Challenges Theory of How Earth Got Its Water
Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research suggests the planet didn't need the delivery.
Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research suggests the planet didn't need the delivery.
![How to Find Low-Competition Keywords with Semrush [Super Easy]](https://static.semrush.com/blog/uploads/media/73/62/7362f16fb9e460b6d58ccc09b4a048b6/how-to-find-low-competition-keywords-sm.png)
