A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the solar surface. Parker Solar Probe reached "perihelion," the nearest point ...

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion. We are slightly nearer to our star and receiving more solar energy than we ...

Oh, the Sun is active, alright! While we are past the solar maximum, the peak of activity of the Sun in its 11-year cycle, we are still getting fireworks from our little star – fireworks that have ...

Explore the terrifying effects if the Sun exploded right now and what it would mean for Earth. Mother of 'Today' co-anchor Savannah Guthrie reported missing in Arizona Trump undercuts GOP push to ...

At about 950 times bigger than our Sun, Betelgeuse is one of the biggest stars in our Universe. But that comes with a price.