Largest cluster of rogue planets discovered by astronomers

A team of astronomers has discovered nearly 70 rogue planets— cosmic objects that resemble a planet but do not orbit a star.

James Webb Space Telescope, world’s largest and most powerful, launched Christmas morning

NASA's James Webb Space Telescope launched successfully early Christmas morning from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the sky.

Santa tracker: NORAD shows when he's coming to town

For the 66th year, NORAD is tracking Santa Claus this Christmas, showing families around the globe exactly when he’ll be coming to town.

James Webb Space Telescope: How to watch launch of Hubble's successor

The James Webb Space Telescope, Hubble’s more powerful successor, is scheduled for liftoff on Christmas morning. Here’s how to watch.

2021 Ursid meteor shower: Where, when to see the celestial event

The Ursid meteor shower happens every year and is considered a “low-key” affair because usually only between 5 and 10 meteors can be seen per hour, which is considered a small number.

NASA spacecraft ‘touches’ sun for first time ever, flew through star's upper atmosphere

It took a few months to get the data back, but NASA was finally able to confirm its spacecraft officially touched the sun and flew through its atmosphere, known as the corona.

4660 Nereus, asteroid the size of the Eiffel Tower, to fly past Earth

Asteroid 4660 Nereus is expected to come within 2.4 million miles of Earth on Dec. 11, which is close in asteroid terms. Here’s what to know about it.

Recently-discovered comet visible from Earth for a short time

The comet called Leonard will be visible by earthlings for only a few days next week as it makes its way to the inner solar system.

NASA selects 10 new astronauts ahead of moon, Mars explorations

More than 12,000 applied for the coveted spots. The 10 selected are in their 30s and 40s, and face two years of training before becoming eligible for spaceflight.