Built in Potsdam, Germany, for astronomer Erwin Finlay Freundlich to test the theory of relativity, the observatory’s ...

According to current understanding, the universe is expanding—and is doing so at an accelerating rate. This is believed to be ...

Humans have been observing solar eclipses for millennia – carving, painting, sketching and finally photographing as the moon ...

Highlights include the announcement of Relativity Space's expansion in Florida and the signing of a Memorandum of Understanding (MOU) between Space ...

Explore the 25 strangest scientific theories ever proposed, from phlogiston to the hollow Earth. Discover how bizarre ideas ...

According to our best understanding, the universe is expanding - and is doing so at an accelerating rate. This is believed to be caused by something ...

A new theoretical study offers a possible explanation for how the Universe can grow more complex without violating the second ...

A new study reveals that some proposed signatures of quantum gravity may have an unexpected classical explanation.

For more than 20 years, scientists have believed that the universe is expanding at an accelerating rate due to mysterious ...

Established around the turn of the century, neutrino-flavour oscillation is among the clearest signs of physics beyond the ...

What has changed in astronomy over the last 250 years? In 1776, the known solar system only included the sun, six planets, ...