Has mystery of universe’s missing matter been solved?

Cosmologists have only been able to find half the matter that should exist in the universe. With the discovery of a new astronomical phenomenon and new telescopes, these researchers say they’ve just found the rest.

What’s a penumbral eclipse of the moon?

Even as a penumbral eclipse is happening in your sky, you might not notice anything different about the moon. On the other hand, very observant people can detect a dark shading on the moon’s face during a penumbral eclipse.

June 2020 guide to the bright planets

See all 5 bright planets in June 2020. Spot Mercury as dusk gives way to darkness in early June. Venus emerges from the dawn glare before mid-month. Jupiter and Saturn – now nearly at their best – rise mid-to-late evening and shine until dawn. Mars lights up the predawn sky.

NOAA predicts a ‘busy’ 2020 Atlantic hurricane season

Multiple climate factors indicate above-normal activity is most likely, according to NOAA’s 2020 Atlantic Hurricane Season Outlook.

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How do hurricanes get their names?

The World Meteorological Organization manages the formal system by which hurricanes receive their names. Find hurricane names for 2020 here.

Farewell, Venus

Photos – taken through telescopes, or with other optical aid – from the EarthSky community. The brightest planet Venus is now in a thin crescent phase as viewed from Earth. Venus will go between us and the sun on June 3.

SpaceX Crew Dragon is docked with ISS

History was made again Sunday, with the successful docking of SpaceX Crew Dragon with the International Space Station. Astronauts Bob Behnken and Doug Hurley are aboard. There are more activities to come, which you can watch online. Links here.

Proxima Centauri b confirmed as nearest exoworld

Researchers at the University of Geneva have confirmed the existence of an Earth-sized exoplanet orbiting in the habitable zone of Proxima Centauri, the closest star to our sun.

How to spot ISS in your sky

Learn to watch ISS moving silently and steadily across your night sky, and think of the 2 astronauts currently making their way there.

AIM spots season’s 1st Arctic noctilucent clouds

NASA’s AIM spacecraft spotted wisps of the 2020 season’s 1st noctilucent, or night-shining, clouds over the Arctic on May 17.

On Mars, mud flows like lava

Scientists in Europe have found that some features on Mars that were thought to be lava flows may actually have been flows of muddy water.

Curiosity rover finds evidence for ancient ice-covered lake on Mars

Scientists studying data from the Curiosity rover have found evidence for an ancient ice-covered lake in Gale Crater on Mars. The findings support the theory of alternating warmer and colder climates on early Mars.

Why these astronomers now doubt there’s a Planet Nine

In the search for the hypothetical 9th planet in our solar system, these scientists may have uncovered another explanation for the patterns in the orbits of Kuiper Belt objects.