Harvard astrophysicist Avi Loeb is one of the biggest proponents of the theory that the comet was sent by an alien ...
Space.com on MSNOpinion
The universe may be lopsided, new research says
But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...
To explore this long-standing mystery, an international team of scientists formed a group known as the Collaboration for ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback