Brightest Stars
Sun news: Sun-stuff is coming our way
Sun news February 29, 2024. At least one coronal mass ejection is heading our way, with a second currently under analysis.
Smokehouse Creek wildfire now #1 in size, in Texas history
A Texas wildfire is now the largest in the state's history. Plus, Oklahoma and Australia are also battling wildfires. See more here.
Human World

Why do we need a leap year? And happy February 29!

Every 4 years is a leap year. So 2024 has a leap day, February 29. But why? Julius Caesar presented a solar calendar to keep the seasons in line.
Astronomy Essentials

39 days to total solar eclipse! Eclipses in fiction

We're counting down to the April 8, 2024, total solar eclipse, which will cross North America. Join Kelly as she shares some of the most famous depictions of total solar eclipses in fiction.
Astronomy Essentials

Visible planets and night sky for February and March

Visible planets in February and March. Look at Venus approaching the horizon before it disappears from the morning sky in March. And see Mars climbing higher.
Astronomy Essentials

Binoculars for stargazing: Our top 6 tips here

Want to know how to use binoculars for stargazing? Follow our top 6 tips to get the most out of viewing the night sky with a little optical aid.

Tatooine exoplanets may be more habitable than we thought

Researchers at Yale University said habitable planets in binary star systems - so-called Tatooine exoplanets - may be more common than previously thought.

Japanese moon lander SLIM wakes up after lunar night

The Japanese moon lander resumed functioning after losing power during the 2-week lunar night. But now, it has awoken and is transmitting data back to Earth.
Astronomy Essentials

Mars in 2024: Back in the morning sky

Mars is ascending higher in the morning sky, and Venus is sinking sunward. Mars will be visible - but dim - before dawn for most of 2024. Then, by the year's end, it'll suddenly become noticeable!
Astronomy Essentials

Is Sirius the most luminous star in the sky?

Sirius is the brightest star in Earth's sky because of how close it is to us. It's so bright you might see glints of different colors flashing from it.