Comet in sky: Comet 29P/Schwassmann-Wachmann has had another outburst, and a big one. An astronomer saw the comet discovered in 1927 undergoing an explosion so big that its brightness increased by ...

A small body in the Kuiper Belt, beyond Neptune, has exhibited an atmosphere. The last time astronomers found an atmosphere ...

On June 30, 1908, a giant fireball exploded over the forests of Tunguska in Siberia. The impact leveled hundreds of miles of ...

A newly discovered comet is plunging toward the Sun, setting up one of the biggest skywatching events of 2026. Scientists are ...

The Philae lander from European Space Agency's Rosetta mission's landed on Comet 67P/Churyumov-Gerasimenko. Credit: ESA - ...

Around 7:15 am on June 30 in 1908, during the reign of Tsar Nicholas II, an object from space entered Earth's atmosphere over ...

June 30 marks Tunguska, Congo independence, and Soyuz 11, plus events from Hernán Cortés to Tower Bridge, Hitler’s purge, and ...

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As Iran and US President Trump contradict over talks in Qatar, Israeli strikes killed five people, including a child, in the ...

This year’s Asteroid Day has planned events worldwide and online. It acts as a reminder about advances in planetary defense.

CAPE CANAVERAL — NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 ...

Look to the west to catch Venus and Jupiter shining bright, with Saturn and Mars visible in the east for early risers, and ...