Raising a Series A these days isn't so simple — top investors break down what founders need to know now.

Helion now has another $225 million to help speed development of its first fusion power plant, due to provide Microsoft with electricity in 2028.

DeepSeek has reportedly raised $15 billion in one of China's largest funding rounds, just days after the U.S. ordered federal agencies to remove its technology over national security concerns.

Just 9 months after raising a $180 million seed round, Flapping Airplanes has landed a $1 billion Series A for its mission to build AI models "without ingesting half the internet."

Refrigerants startup Pascal has a new take on heat pump and cooling tech using a sponge-like material that promises to be 20% more efficient.

The startup initially set out to build better, faster, and cheaper surveying hardware in 2021.

Electric Plant has built an AI-powered translator to help humans listen to what plants are saying with the subtle electricity coursing through their stems.

Reliable Robotics extended its Series D round with $115 million in equity and $25 million in debt.

Meeting note-taking tool Otter.ai announced on Tuesday that it has raised $320 million from General Catalyst’s Customer Value Fund (CVF), which provides capital to startups without diluting equity and gets returns on the results of marketing spend. Otter.ai said that it will use these funds for enterprise growth, go-to-market strategy, international expansion, and product innovation. […]

Blackwall has raised $100M at a $2.2B valuation to continue building security and filtering tools that help websites grapple with growing bot and AI traffic.

After drawing acquisition interest earlier this year, the Nvidia challenger raised $1.5 billion to remain independent.