Earth’s magnetic field may change faster than we thought

A long-standing question has been how fast Earth's magnetic field can change. The authors of a new study say they’ve uncovered some answers.

Small asteroid passed extremely close July 28

The Mt. Lemmon survey discovered the asteroid on July 26. It was labeled near-Earth asteroid 2020 OY4. The asteroid then passed at about 11% of the moon's distance early in the day on July 28. The Virtual Telescope Project in Rome captured its image.

Gulf of Mexico dead zone: Summer 2020 forecast

NOAA scientists forecast that this summer’s dead zone would measure roughly 6,700 square miles - bigger than the long-term average recorded since 1985, but lower than 2017’s record-high extent.

Comet NEOWISE, the best comet of 2020

A few observers in the Southern Hemisphere are beginning to capture Comet NEOWISE, too. Charts here for seeing the comet in late July and early August.

Human-linked Earth vibrations dropped 50% during Covid-19 lockdown

Between March and May 2020, many people across Earth went into lockdown. During those months, seismographs recorded a drop in human-linked vibrations in the solid Earth, by an average of 50%.

1st direct image of 2 giant exoplanets orbiting a sunlike star

For the 1st time ever, astronomers have photographed more than one giant exoplanet orbiting a sunlike star. The planetary system is similar to our solar system, but younger.

James Webb Space Telescope to launch October 31, 2021

NASA is delaying the launch of the James Webb Space Telescope for another 7 months, from March 2021 to October 31, 2021, due to, among other factors, work stoppages during the coronavirus pandemic.

Astronomers ponder Odd Radio Circles in space

Scientists in Australia have discovered a strange new phenomenon in deep space - "Odd Radio Circles" - that appear in radio telescope images as mysterious circles or rings.

Go someplace dark and watch for meteors!

The Delta Aquariids are peaking. And the 2020 Perseid meteor shower gets rolling around now, too. Most importantly, find a dark sky!

Comet NEOWISE’s tails

What is creating the structure in Comet NEOWISE's 2 tails?