As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

HH 30, a fascinating Herbig-Haro object, serves as a cosmic laboratory for studying star formation and planetary evolution.

"Temperamental" stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Hubble Space Telescope image of an ultraviolet view of ... Venus, Saturn, Uranus and Neptune, in a so-called "planetary parade". Jupiter, Venus, Saturn and Mars are visible to the naked eye ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.