An artist’s concept of LTT 1445Ac transiting its star, with another planet in its system in the foreground. Illustration: NASA, ESA, Leah Hustak (STScI) The Hubble Space Telescope just ogled an ...

Scientists using the Hubble Space Telescope have measured the size of a small exoplanet just 22 light years away, confirming that it's the closest known Earth-sized world to our solar system to date.

The Hubble Space Telescope has unveiled a striking new image of Messier 90 (M90), a stunning spiral galaxy in the Virgo constellation that is moving closer to Earth. Situated approximately 55 million ...

This alien world will make an ideal target for follow-up studies of its atmosphere — if it has one. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Once described as the most important telescope in history after the original built by Galileo, the Hubble Space Telescope has offered humanity an unrivalled window into the stars around us. But 35 ...

Although astronomers have now discovered more than 5,000 exoplanets, or planets outside of the solar system, the large majority of these planets are considerably larger than Earth. That’s partly ...

above a vivid rusty landscape reveal Mars as a dynamic planet in this sharpest view ever obtained by an Earth-based telescope. NASA’s Earth-orbiting Hubble Space Telescope took the picture on June 26, ...

NASA's Hubble Space Telescope, on the verge of being replaced later this year, is showing no signs of slowing down, taking an incredible image of a galaxy 80 million light-years from Earth which ...

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March 22 (UPI) --NASA said Friday the Hubble Space Telescope has spotted a spider galaxy, an irregular galaxy, about 30 million light-years from Earth. NASA said the relatively faint galaxy, which had ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the farthest star yet, a super-hot, super-bright giant that formed nearly 13 billion years ago at the dawn of the cosmos. But this luminous blue ...

The chances of finding extraterrestrial life have improved slightly after NASA announced that its Hubble Space Telescope has confirmed the size of an Earth-sized exoplanet only 22 light-years from ...