between LS1 and our planet. The mass of the galaxy cluster caused distant light from LS1 to bend around it, magnifying the light of the background star by 2,000 times, thereby allowing the Hubble ...

At such great distance, it’s proven difficult to visit the farthest planet and be able to observe it up close. The famous interstellar probe, Voyager 2, was the only spacecraft to do so in 1989 ...

reaching greatest brilliancy this evening at 6 P.M. EST Earth's sister planet is now a long-lingering "evening star," shining at magnitude –4.9 and some 40° high in the western sky at sunset.

Auroras occur when electrically charged particles from space enter and collide with molecules in the atmosphere.

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

Astronomers have spotted the shiniest known planet in the Milky Way, and it has metal clouds that appear to be raining down titanium droplets. Exoplanet LTT9779 b, which orbits a star about 262 ...

As the innermost planet, Mercury rarely peeks out beyond the sun, but it will be at its farthest distance this ... astronomy apps can help you locate stars, planets and constellations.