Space & Astrophysics – HadNews.com

Biosignatures? Why organics on Mars don’t necessarily signal life

Ceres: The asteroid belt’s forgotten ocean world

The hunt for alien technosignatures is getting a high-tech upgrade

New findings raise questions about when (and where) life began

A promising (and surprisingly simple) way to detect alien life

Will physics ever prove that gravitons are real?

Scientists find record high-energy cosmic ray electrons, but origin remains elusive

Einstein wins again: Exotic gravity theories take a blow from new observations

If aliens visit Earth, let’s hope they’ve overcome their savage past