Study: Changes in Rotation of Earth’s Inner Core Occur on Decadal Scale

Rare triple dip La Niña expected to occur for first time this century

Lowest pollen counts occur between 4:00 a.m. and noon

Moonbows, like normal rainbows, are an optical phenomenon caused by light being reflected and refracted by atmospheric water droplets. However, because the moonlight that produces moonbows is much fainter than direct sunlight, they occur less than 10 percent as often as normal rainbows.

It’s time to play “find the falling Chinese rocket” once again | We can probably expect reentry into Earth's atmosphere to occur about a week from today.

New corrosion-detecting tech can detects leaks in pipes before they occur

Computationally predicting where the wear will occur in engines

Watch out for three meteor showers set to occur in October

Now you don't have to wait for smoke to know where fires are likely to occur

Astronomers Think They've Figured Out How to Predict When a Supernova Will Occur

Six climate tipping points are likely to occur if we breach 1.5°C goal

NASA's Next Launch Attempt for Artemis I Will Occur on September 3

The Rare Earth Hypothesis (which was spawned by a conversation about Star Wars' cantina scene) argues that the very unique conditions that allowed complex life to arise and flourish on Earth are exceptionally uncommon — and they’re unlikely to widely occur throughout the universe.

Castaway Gamma-Ray Bursts Occur in Extremely Distant Galaxies, Astronomers Say

Castaway Gamma-Ray Bursts Occur in Extremely Distant Galaxies, Astronomers Say

For the rest of June, Mercury, Venus, Mars, Jupiter and Saturn have lined up in a rare alignment that won't occur again until 2040

Do extraterrestrial auroras occur on other planets?

Do extraterrestrial auroras occur on other planets?

Sunspots: What are they, and why do they occur?

NASA scientists suggest that first crewed missions to the Asteroid Belt and Jovian System could be scheduled as soon as 2071 to2087 and ~2101 to ~2121, respectively, while a launch to the Saturn System may occur by the year 2132.