The Alien Sphere Trilogy

A trilogy with three high quality action-packed novels of explorers encountering mind-bending alien artifacts from beyond space and time!
In The Alien Sphere scientists stumble upon a mysterious metallic sphere with a pulsating vibration, and unlock it to reveal its forces by the manipulation of gravitational forces are suspending a black hole, and while experimenting on the black hole an accident occurs and scientists enter it and travel out beyond the realms of space and time into a mind-bending universe.
In The Alien Artifact an entity/transcendent in an alien artifact from beyond space and time crashes into the Earth, and explorers uncover the ancient alien artifact after it has been buried away for millions of years, with the voyager inside, waiting to be revived.
In The Lost Alien Artifact a secret chamber is buried away in a castle with something of alien origins inside, waiting to be revived, with the deadliest of powers, creating the most haunted castle in existence, with gateways going beyond the universe, and a group of people are forced to stay there for a week, and are fanatical with discovering the chamber, which they think has hidden treasure.