Millions of people on Monday watched a rare total eclipse cut across the U.S., Mexico and Canada, plunging some towns and cities into darkness for several minutes. In many other places it was a chance to view a partial eclipse.

Continue watching

A chilly, midday darkness fell across North America on Monday as a total solar eclipse raced across the continent, thrilling those lucky enough to behold the spectacle through clear skies.

Continue reading

On April 8, the moon’s shadow will fall across North America in a path of totality that starts in Mexico and ends in eastern Canada, giving solar researchers a unique opportunity to observe the sun's outer atmosphere.

Continue reading

This year’s total solar eclipse is expected to be a bigger, longer spectacle than the one that passed over the United States in 2017.

Continue reading

It's only in recent years that scientists have started to rigorously study the altered behaviors of wild, domestic and zoo animals during a full solar eclipse.

Continue reading

Now’s the time to get your hands on a pair of eclipse glasses in preparation for next month's display of celestial wonder.

Continue reading

After this year's total solar eclipse on April 8, there won’t be another coast-to-coast eclipse in the United States until 2045.

Continue reading

According to a paper published this past week in the journal Nature Astronomy, scientists found what could be the brightest known object in the universe: a quasar produced by a massive and voracious black hole. It’s estimated to be emitting…

Continue watching

Humans have synced their calendars to the sun and moon for centuries, but every so often, these systems need a little correction.

Continue reading

The latest tally puts Neptune at 16 known moons and Uranus at 28. Scientists say the new moon around Uranus is likely the smallest of the planet's moons.

Continue reading