An exoplanet is what we call planets that exist outside of our own solar system. The first one was discovered in 1992, but as we get more powerful and precise telescopes and instruments, scientists ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

Scientists are currently planning two major space missions to search for life in space: NASA's Project HWO and Project LIFE, led by ETH Zurich. If one of these missions were to discover life on an ...

On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When scientists find exoplanets around distant stars, a primary consideration is ...

At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to ...

A recently published report describes a “starshade” currently being developed that would resemble a giant sunflower floating in space. As Liz Kruesi reports, the instrument could allow astronomers to ...

In our solar system, Earth is one of but eight planets – nine if you really want to count Pluto – and the only one remotely hospitable to life. But look beyond our sun's gravitational pull into the ...