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From Pluto, Earth to transit sun on July 12
Earth transits seen from Pluto are rare. The last one happened in 1931, a year after Clyde Tombaugh discovered Pluto. It won't happen again for 161 years.
July 12, 2018
Pluto: Preparing for the perfect alignment
Here's how and why astronomers plan to aim the Hubble Space Telescope and several ground-based telescopes toward Pluto around the July 12 Earth transit.
July 12, 2018
Heads up! It’s a month of eclipses
Partial solar eclipse July 13. Total lunar eclipse July 27. Partial solar eclipse August 11.
July 11, 2018
Fragments of asteroid 2018 LA found in Botswana
Astronomers detected a small asteroid just 8 hours before it struck Earth's atmosphere over southern Africa on June 2, producing a terrific explosion. A few days later, researchers reported finding its meteorites.
July 9, 2018
Heads up on July 2019 total solar eclipse
A 5-minute video from the European Southern Observatory on the 2019 eclipse in South America and the South Pacific. Eclipse map, and more.
July 8, 2018
Have aliens visited Earth? Question worthy of study, says physicist
About 5 percent of all UFO sightings cannot be easily explained by weather or human technology. A physicist argues that there's compelling evidence to justify serious scientific study and that the skeptics should step aside – for the sake of humanity.
July 5, 2018
Scientists listen to ocean bubbles
A research team recorded the sound of methane bubbles seeping from the seafloor off the Oregon coast, with the aim of using acoustics to identify – and perhaps measure – this important greenhouse gas in the ocean.
July 4, 2018
Dust from Africa spreads into the Americas
This past weekend, a massive dust cloud from Africa's Sahara Desert swept across the Atlantic and caused hazy skies across Texas, Mexico and parts of Central America.
July 3, 2018
Join EV Nautilus in a meteorite search
On Monday, the sea-going research vessel EV Nautilus will search for fragments of a minivan-sized meteorite that fell into the ocean, after lighting up skies over Washington, Oregon and British Columbia. You're invited!
July 1, 2018
Mapping the threat of small near-Earth asteroids
65 million years ago, a monster asteroid wiped out 2/3 of all life on Earth, including the dinosaurs. But an astrophysicist explains why it’s the smaller near-Earth objects (NEOs) that pose a greater imminent threat.
June 30, 2018
