New models reveal Pluto and Charon may have spent some of their early history locked together in an embrace after a grazing ...

From hundreds of miles above Earth, satellites can help scientists make observations about our planet and the surrounding ... satellites to create a halo of orbital debris that lasts for decades.

The following are the top-rated momentum ETFs by Seeking Alpha quant metrics. The following ETFs are rated “buy” or “strong buy” (with quant ratings 3.50 and above), have a momentum score ...

In addition to providing the best opportunity to see Mars at its biggest and brightest, this will be the best time for sending spacecraft to the Red Planet. Here's everything you need to know ...

"Super puff planets are fairly rare, and when they do occur ... measurements of planetary properties based on the faint dip in the star's light. Because the orbital timings of the exoplanets had ...

But is our moon actually a planet? The answer is technically no — at least according to NASA and the International Astronomical Union (IAU), an important global authority in astronomy.

near the planet's south pole. But the "snow" seen here is quite different from what we have on Earth. In fact, it's carbon dioxide ice, and at Mars' south pole, there's 26-foot-thick (8-meter ...

Dec 23 (Reuters) - Apple (AAPL.O), opens new tab is closing in on a historic $4 trillion stock market valuation, powered by investors cheering progress in the company's long-awaited AI ...

SpaDeX is the name of a new mission to be flown by the Indian Space Research Organisation (ISRO). During the mission, two satellites will be launched into orbit around the earth, where they will ...