Twitter shares dive after update disappoints

Twitter's shares fell hard Tuesday after its quarterly update showed more losses for the struggling social media platform, which has seen sluggish growth in revenues and active users.

As iPhone sale sag, Apple touts apps and services instead

You can expect to hear a lot more from Apple about the virtues of mobile apps and online services in coming months. And for good reason: They're just about the only part of Apple's business that's growing right now.

Astronomers uncover hidden stellar birthplace

A team of astronomers from the University of Manchester, the Max Planck Institute for Radio Astronomy and the University of Bonn have uncovered a hidden stellar birthplace in a nearby spiral galaxy, using a telescope in Chile. ...

Fire seasons are becoming hotter, drier and longer

The fast-moving brush fire tearing through the Santa Clarita Valley this weekend is part of a larger trend: Wildfire seasons in the western United States are lasting longer and burning more land, according to a recent report ...

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