Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

NASA’s Jet Propulsion Laboratory (JPL) has shared its skywatching highlights - revealing what will light up the sky in July ...

Astronomers have discovered the first step in planet birth, finding hitherto unseen structures in 78 planetary disks in the ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Explore the mystical connections between astrology and numerology. Find out your zodiac sign's lucky numbers to bring balance ...

Find out what's up in your night sky during July 2025 and how to see it in this Space.com stargazing guide.

In February 2025, a stunning planetary alignment–also known as the planet parade–allowed observers to see seven planets in the night sky simultaneously: Mercury, Venus, Mars, Jupiter, Saturn, Uranus, ...

SPF, or sun protection factor, describes the amount of solar energy needed to produce a sunburn on protected skin relative to unprotected skin, according to the US Food and Drug Administration.