Kofi Annan and John McCain's positive eulogies could be because both men seized moments of human dignity and decency.
Donald Trump seems vague on many policies except one: undoing as much of Barack Obama's legacy as possible.
Trump has pointed the finger at Obama for creating the list of seven countries in his new travel ban.
As the Trump era begins, Australian are having an overdue debate about the need for greater self-reliance at a time when American power may be receding.
The Trump administration has the tools to slow the momentum Obama started on clean energy. Countering Trump are global market forces and state-level action.
How did an administration committed to restoring "science to its rightful place" actually do?
The nation needed a full-throated rebuttal to the nativism, racism and misogyny that characterized the president-elect’s campaign. Obama failed to deliver.
What the Obama administration achieved with Iran deserves great credit. But can it endure?
Innovation is a huge part of economic growth – and the White House needs to be well-informed on science and tech issues when setting goals and budgets. Here's how presidents get up to speed.
The outgoing president leaves behind some solid accomplishments in the world of science, tech and medicine. But the biggest departure from his predecessors might have been in his approach.
The most disastrous conflict to break out in the Obama years is still nowhere near its end. It could have been very different.
A Middle East in meltdown forced the Obama administration to give up crucial leverage.
With a $1 trillion modernisation programme signed off and atomic scientists deeply worried about the future, American policy on nuclear weapons is pretty much business as usual.