• Professor of Astronomy and Astrophysics, Penn State
The universe is filled with countless galaxies, stars and planets. Humans may one day discover extraterrestrial life. ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi

‘Project Hail Mary’ explores unique forms of life in space – 5 essential reads on searching for aliens that look nothing like life on Earth

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.
A distância da Terra em relação ao Sol permite que nosso planeta seja habitável para a vida, mas a evolução da inteligência pode estar ligada à própria evolução do ambiente terrestre. DrPixel/Moment via Getty Images

Evolução de vida inteligente levou bilhões de anos, mas pode não ser tão improvável quanto se pensa

Os seres humanos evoluíram tardiamente na história da Terra. Embora esse momento tenha inspirado a conclusão de que a vida inteligente como a humana é uma improbabilidade cósmica, um novo estudo rechaça esta ideia
The Sun’s distance from Earth allows it to be habitable for life. DrPixel/Moment via Getty Images

Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted

Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability, a new study pushes back.
UFOs usually have non-extraterrestrial origins, but many have urged the government to be more transparent about UFO data. Westend61/Westend61 via Getty Images

Are we alone in the universe? 4 essential reads on potential contact with aliens

Whistleblower allegations that the government possesses UFOs may not be backed up by public physical evidence, but some argue that listening for extraterrestrial life is the first phase of contact.
A Sept. 20 citizen “raid” on Area 51, a secretive military installation long fancied to hold alien remains, has drawn worldwide interest. Fer Gregory/Shutterstock.com

Yes, I’m searching for aliens – and no, I won’t be going to Area 51 to look for them

As more than a million people have indicated plans to partake in a citizen ‘raid’ on the famed Area 51 to ‘see them aliens,’ a scholar on the search for extraterrestrial life weighs in on the hype.

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