This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will soon align in the night sky ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28.

Stargazers, get ready for a celestial show! A planetary alignment featuring six planets will be visible in late February and ...

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune are all in the evening sky, but you’ll need binoculars, timing, and a ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the ...