Here are 2 beautiful images of the very old moon - a waning crescent seen in the east shortly before sunrise - near the brightest planet, Venus.

Masses of dusty air form over the Sahara Desert and move westward across the tropical North Atlantic frequently from spring to fall. A particularly large swath of dust is headed our way now. Watch for hazy skies in the Caribbean by this weekend, and possibly into the U.S. by next week.

On the heels of the June solstice, the new moon will sweep directly in front of the sun on Sunday, June 21, 2020, to stage an annular - ring of fire - solar eclipse for the world's Eastern Hemisphere.

Clear, straightforward information on how a virus spreads, from a scientist who studies infectious disease

This year, solstice celebrations at Stonehenge monument are canceled due to Covid-19. But for the 1st time, you can celebrate the 1st sunrise of summer from Stonehenge online.

This week, a citizen scientist spotted a never-before-seen comet in data from the sun-observing SOHO spacecraft. It was SOHO's 4,000th comet discovery. Learn more and watch comets sweep near the sun in this video.

Researchers in Europe have now confirmed the universality of free fall - which Einstein called his most fortunate thought - with extremely high precision. To do it, they spent 8 years tracking a triple star system containing a millisecond pulsar.

These next several mornings - June 17, 18 and 19, 2020 - look east before sunrise to see the moon and Venus. You might spot the Pleiades star cluster nearby. On June 19, the moon will occult or cover over Venus. For most of us, the occultation will happen in daylight.

Solar Orbiter swept as close as 50 million miles (77 million km) to our sun's surface. Now scientists are at work testing the spacecraft’s 10 science instruments, including the 6 telescopes on-board. New images, to be released in mid-July, will be the closest of the sun ever captured.

New images from the fringes of our solar system. The fast-moving New Horizons spacecraft sees a parallax shift - a different apparent position against the background stars - for Proxima Centauri.