Namechk is an online tool that you can use to search for username availability across various popular sites across the Internet. The only downside with this approach is that you can't type in a core name and for the site to recommend some possible usernames that you can use across the web. Still, it gives you a chance to test various usernames for availability.
Cotton seedling freezes to death as Chang'e-4 shuts down for the Moon's 14-day lunar night
Fortnite easily out-earns PUBG, Assassin's Creed Odyssey and Red Dead Redemption 2 in 2018
Meteor showers as a service will be visible for about 100 kilometres in all directions
Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago