Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...

While the Martian clouds may look like the kind seen in Earth’s skies, they include frozen carbon dioxide, or dry ice.

At the end of 2024, astronomers detected an asteroid in the night sky. It was given the designation Y, since it was ...

February's full moon rises this week and will be accompanied by a planetary parade.The second full moon of winter, also known ...

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky ...

China has formed a planetary defense team to monitor asteroid 2024 YR4, which has a 2.2% impact probability. Global space ...

These are known as hypervelocity stars, with some moving faster than the escape velocity of the Milky Way of around 600 kilometers (373 miles) per second. There is another star that is almost as ...

NASA is using its most powerful space telescope to study the true size of the "city-killer" asteroid that has a one-in-43 ...

A research team may have discovered a star with an exoplanet that is so fast that both will leave the Milky Way.

A lot of the weather information Americans rely on starts with real-time data collected by NOAA satellites, airplanes, ...