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November birthstone: Choose either topaz or citrine
The November birthstone, topaz, comes in lots of colors. It's a much-loved gemstone in jewelry, with myths that date to ancient times. Or choose citrine.
November 2, 2025
Daylight Time ends Sunday: 7 tips to help you adjust
Daylight Time ends on November 2, 2025. Here are 7 tips from the American Academy of Sleep Medicine to help you adjust to the time change.
October 31, 2025
Halloween is an astronomy holiday. It’s a cross-quarter day
A cross-quarter day falls between an equinox and a solstice. Halloween is the year's 4th cross-quarter day and the spookiest of them all.
October 31, 2025
Transient flashes in ’50s sky plates still puzzle scientists
Scientists see mysterious transient flashes of light in 1950s sky images from the Palomar Observatory. It was before the 1st satellites. What were they?
October 29, 2025
Hurricane Melissa hits Jamaica and Cuba, heads toward Bermuda
Category 5 Hurricane Melissa made landfall in Jamaica just after 1:00 p.m. EDT on October 28, 2025. Some 70% of the country is still without power.
October 29, 2025
Covid vaccine could help cancer patients fight tumors
A new study has found that the Covid vaccine stimulated the immune system of cancer patients to attack tumors. Read more about this encouraging research.
October 22, 2025
Here’s where popular witch icons originated
Witch icons like black hats, cauldrons, broomsticks and black cats stem from medieval fears and still haunt Halloween and pop culture today.
October 22, 2025
Spooky ghost lights: Believe them if you dare
Ghost lights are strange lights seen over swamps or bogs. Here are some popular places known for ghost lights. Believe in them ... if you dare!
October 21, 2025
Why do dolls creep us out? It’s the uncanny valley effect
For many, dolls creep us out. Their lifelike - but not quite human - aspect can trigger the uncanny valley effect. Hear more from scientists about this effect.
October 14, 2025
7.4-magnitude earthquake strikes offshore in Philippines
A 7.4-magnitude earthquake offshore in the Philippines prompted a tsunami warming, causing coastal residents to flee, but observers reported only small waves.
October 10, 2025
