"The wartime generation — my generation — is resilient."

https://t.co/lOf3DHT9ce

The whole world was put on hold when the twin towers were attacked on 9/11. Today, we remember the 2,977 innocent victims that were taken away at the hands of terrorism. We must never let a tragedy like this happen ever again. That’s why we will #NeverForget

Queen Elizabeth II's reign spanned all of spaceflight, predating both Sputnik and Explorer 1. As we join the planet in marking her passing, we are moved by the curiosity Her Royal Highness showed our explorers over the years.

Sweet siblings 💕💖

“I adore my children very much and I've learned a lot about myself and family just from having my own children” - Prince William #PrinceWilliam 🖤🤍

We are going.

Мой тренер говорил: Запомните! Бокс - это борьба двух интеллектов при помощи жестов! Живя на Уралмаше и будучи мастером спорта, он никогда на улице не пускал в ход кулаки, а хватался, за что ни попадя. Про него даже написали заметку в Уральском рабочем «Боксёр ударил кирпичом!»

Еврейская семья Карновски пожалела 7-летнего чернокожего мальчика и взяла в дом. Когда он ложился спать, миссис Карновски пела ему русскую колыбельную. Он знал несколько русских и еврейских песен. Мальчик свободно говорил на идиш и носил звезду Давида. А звали его Луи Армстронг

An incredible solitary mason bee pulling a nail out of a hole in the wall!

The fast of the Ninth of Av ends at the Western Wall. Video credit not provided.

It's been a busy decade on Mars. After ten years, 18 miles (29 km), and 500,000 photos, @MarsCuriosity is still rolling strong in its quest for signs of ancient life. As Curiosity moves forward, take a look back with us at what it's accomplished: https://t.co/zX6MeG2QPt

https://t.co/xnHR3CUOZg

Nobel Prize laureate James Allison's research led to a new way to treat cancer by using our own immune systems. He was awarded the medicine prize in 2018 with Tasuku Honjo. Wishing Allison a happy birthday today.

Is gravity the only thing keeping you together? You might be a globular cluster. Star clusters like this one, imaged by @NASAHubble, can contain millions of stars held together by gravity. @NASAWebb will give us a closer look at these cosmic objects: https://t.co/CsYuioyBrF

Shalom Dov Ber Lipsh, 14, Killed Returning From Tefillin-Wrapping The eighth-grader was doing what he loved to do on Friday afternoons: https://t.co/PC1MUS4dlp

Such a sweetheart!🌸🤍

The way Charlotte looks at her daddy.. heartwarming ❤

Webb is on a roll! 🤸 This new @NASAWebb near and mid-infrared composite image highlights the Cartwheel Galaxy, the result of a high-speed collision that occurred about 440 million years ago, along with two neighboring galaxies. Get the details: https://t.co/c8lEVBBlub

WATCH: The Sydney Opera House's upgraded concert hall, its largest performance space, is unveiled ahead of its public reopening