Gases jetting out of Comet 41P/Tuttle-Giacobini-Kresák may have caused it to reverse its spin in 2017, possibly leading to ...

The European Space Agency’s JUICE spacecraft, en route to explore Jupiter’s icy moons, made an unexpected scientific ...

A new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing ...

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side ...

At the time of the observations, comet 3I/ATLAS had just passed its perihelion, its closest ever approach to the Sun. While still 210 million kilometers (130 million miles) from our star, this was ...

The sky could host a brief but remarkable event in early April 2026. Astronomers are closely tracking a newly discovered ...

In 2017 NASA’s Hubble Space Telescope zoomed in on a comet as it passed around the sun. And then things took a more unusual ...

As far as meteor showers go, the Lyrids don’t mess around. They’re in and out of the sky in a couple of weeks, and if you ...

Astronomers using NASA's Hubble Space Telescope have found evidence that the spinning of a small comet slowed and then ...

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

"Sometimes the best science happens by accident." The post Scientists Startled by What Happens When They Point Hubble at ...