US airlines look to delay 5G rollout over aviation safety concerns

Airlines for America, a trade group for large U.S. passenger and cargo carriers, said in an emergency filing that the FCC has failed to adequately consider the harm that 5G service could do to the industry.

Pluto should be classified as a planet again, scientists argue

A new study is reigniting the debate over Pluto’s status as a dwarf planet — a clash that has been going for 15 years.

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.

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.

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.

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.

Antarctica observes total eclipse, next one expected in 2039

Saturday’s total eclipse was a rare event in Antarctica, only to have happened one other time in the last century.

Space junk forces spacewalk delay; too risky for astronauts

NASA called off a spacewalk Tuesday because of menacing space junk that could puncture an astronaut’s suit or damage the International Space Station.

NASA confirms existence of 301 new planets outside our solar system

The discoveries were made thanks to a new AI learning method of differentiating between stars and planets far off in space.

Astronauts enjoy Thanksgiving feast 250 miles above Earth aboard ISS

NASA’s Expedition 66 crew is spending Thanksgiving aboard the International Space Station this year and will enjoy a feast, not unlike the one they would have had on Earth.

DOJ prioritizes prosecuting unruly airline passenger

The FAA said earlier this month that it had launched 950 investigations into passenger behavior on flights this year.

NASA launches spacecraft to crash into asteroid next September

“This isn’t going to destroy the asteroid. It’s just going to give it a small nudge,” said mission official Nancy Chabot of Johns Hopkins Applied Physics Laboratory, which is managing the project.