Planes, drones or UFOs: What are people seeing in the New Jersey sky?

The recent sightings of puzzling unidentified aircraft in New Jersey and other states have triggered yet another round of unanswered questions — and fueled conspiracy theories. For one, the odd objects have sparked a visual public mayday and melee — one that might be mirroring elements of the ongoing unidentified anomalous phenomenon (UAP) issue, spurring … Read more

Want to find a black hole? Pick up a rock

This artist’s concept shows many tiny primordial black holes. Credit: NASA’s Goddard Space Flight Center While black holes are perplexing at any size, some of the most mysterious are hypothetical primordial black holes, those that sprung into existence in the first second after the Big Bang and some of which are featherweights on the black … Read more

Every upcoming ‘Star Wars’ movie officially announced

How much Star Wars is too much Star Wars? Disney and Lucasfilm don’t think we’ve reached critical mass yet. On top of the many Star Wars shows already available on Disney Plus — and the five Star Wars movies released post-Disney acquisition so far— many more projects are in development, with a renewed focus on … Read more

Hubble’s ‘impossible’ planet explained? Gas giants may have formed fast in early universe

Giant, gas-rich planets may have been able to form more easily in the very early universe than they do today, according to astounding new findings from the James Webb Space Telescope (JWST) that corroborate earlier Hubble Space Telescope evidence. In 2003, Hubble found a massive exoplanet. There’s nothing too unusual about that, but closer inspection … Read more

The case to build a new ISS: the International Solar Sunshade

Imagine building a shield in orbit to protect Earth against environmental destruction — a fleet of cooperative satellites forming a massive umbrella that reduces solar energy reaching Earth, mitigating the impacts of climate change. This might sound like science fiction or a politically impossible dream, but it’s neither. It’s an engineering and governance challenge the … Read more

Personal solstices from the EarthSky community

View at EarthSky Community Photos. | Rob Ratkowski took this all-sky view from Haleakala Observatory in Hawaii in 2023. It shows the path of the sun across the sky at the solstices (top and bottom) and at the equinoxes (center). Thanks, Rob! Find more personal solstices below! Read December solstice 2024 all you need to … Read more

2024 December solstice: All you need to know

In 2024, the December solstice falls at 9:21 UTC on December 21 (3:21 a.m. CST). Long nights, short days, for the Northern Hemisphere. Short nights, long days, for our friends south of the equator. No matter where you live on Earth’s globe, the solstice is your signal to celebrate seasonal change. EarthSky’s veteran stargazers Deborah … Read more

Orion the Hunter, the most recognizable constellation

Orion the Hunter is arguably the most recognizable constellation in the world. Orion lies on the celestial equator, making it visible from both the Northern and Southern Hemispheres. Orion’s shape is easy to pick out because of its many bright stars and signature Orion’s Belt: three stars close together in a nearly straight line. Orion … Read more

2024 Ursid meteor shower: All you need to know

The Ursid meteor shower radiates from the constellation Ursa Minor, the Lesser Bear, aka the Little Dipper, and is named after it. The Little Dipper also contains the North Star, Polaris. So for the Northern Hemisphere, the radiant is above the horizon all night long. Chart via EarthSky. This low-key meteor shower – which always … Read more

US Space Force 5 years later: What has it accomplished so far, and where does it go from here?

The U.S. Space Force celebrates its fifth anniversary today. The service was formally established on Dec. 20, 2019, when President Donald Trump signed it into law with the National Defense Authorization Act, the bill that allocates U.S. military spending each year. Since then, the U.S. Space Force has grown to nearly 15,000 servicemembers and civilian … Read more