Mercury takes only 88 Earth days to orbit the sun.

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

By tracing the corkscrew wobble of two stars as they move through the sky, the Gaia space mission has discovered one new ...

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

The great planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

Fridays are better than Mondays, lazy days are better than chore days, and summer days are better than rainy days.  But what ...

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

You'll be able to easily see four planets in the February evening sky ... After attaining opposition with the sun last month, Mars is now moving away from Earth and consequently is now gradually ...

These events, often called "planet parades" or "planetary alignments," though not exceedingly rare, are worth observing since they don't happen yearly.

Although it encompasses some of winter’s darkest nights, February spurs daydreams of lighter days ahead. In just a matter of ...