On Earth, plants reflect green light — but on Kepler-186f, they’d likely glow deep red. The reason lies in physics: cooler stars like Kepler-186 emit more infrared light than visible light, forcing ...

On Earth, plants are green thanks to our Sun’s light—but Kepler-186f orbits a cooler, redder star. Here’s why alien ...

The artists concept depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone. (Photo: Nasa) Nasa recently confirmed that the total number of known ...

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When scientists discovered the first planet orbiting another star in 1995, few outside astronomy circles noticed. That planet, 51 Pegasi b, opened the door to a field that now boasts more than 5,000 ...

What role can the relationship between oxygen (O 2) and ozone (O 3) in exoplanet atmospheres have on detecting biosignatures? This is what a study submitted to Astronomy & Astrophysics hopes to ...

The HWO will not only try to find signs of life on distant worlds, but it will even take photos of them NASA is plotting a new mission that could be the one to finally uncover alien life in the ...